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of
     1. prep. Expressing distance or motion.
     2. prep.          (now obsolete, or dialectal) From (of distance, direction), "off".
     3. prep.          (obsolete except in phrases) Since, from (a given time, earlier state etc.).
     4. prep.          From, away from (a position, number, distance etc.).
                    There are no shops within twenty miles of the cottage.
     5. prep.          (North America, Scotland, Ireland) Before (the hour); to.
                    What's the time? / Nearly a quarter of three.
     6. prep. Expressing separation.
     7. prep.          (Indicating removal, absence or separation, with the action indicated by a transitive verb and the quality or substance by a grammatical object.)
                    Finally she was relieved of the burden of caring for her sick husband.
     8. prep.          (Indicating removal, absence or separation, with resulting state indicated by an adjective.)
                    He seemed devoid of human feelings.
     9. prep.          (obsolete) (Indicating removal, absence or separation, construed with an intransitive verb.)
     10. prep. Expressing origin.
     11. prep.          (Indicating an ancestral source or origin of descent.)
                    The word is believed to be of Japanese origin.
     12. prep.          (Indicating a (non-physical) source of action or emotion; introducing a cause, instigation); from, out of, as an expression of.
                    The invention was born of necessity.
     13. prep.          (following an intransitive verb) (Indicates the source or cause of the verb.)
                    It is said that she died of a broken heart.
     14. prep.          (following an adjective) (Indicates the subject or cause of the adjective.)
                    I am tired of all this nonsense.
     15. prep. Expressing agency.
     16. prep.          (following a passive verb) (Indicates the agent (for most verbs, now usually expressed with by).)
                    I am not particularly enamoured of this idea.
     17. prep.          (Used to introduce the "subjective genitive"; following a noun to form the head of a postmodifying noun phrase) (see also 'Possession' senses below).
                    The contract can be terminated at any time with the agreement of both parties.
     18. prep.          (following an adjective) (Used to indicate the agent of something described by the adjective.)
                    It was very brave of you to speak out like that.
     19. prep. Expressing composition, substance.
     20. prep.          (after a verb expressing construction, making etc.) (Used to indicate the material or substance used.)
                    Many 'corks' are now actually made of plastic.
     21. prep.          (directly following a noun) (Used to indicate the material of the just-mentioned object.)
                    She wore a dress of silk.
     22. prep.          (Indicating the composition of a given collective or quantitative noun.)
                    What a lot of nonsense!
     23. prep.          (Used to link a given class of things with a specific example of that class.)
                   Welcome to the historic town of Harwich.
     24. prep.          (Links two nouns in near-apposition, with the first qualifying the second); "which is also".
                    I'm not driving this wreck of a car.
     25. prep. Introducing subject matter.
     26. prep.          (Links an intransitive verb, or a transitive verb and its subject (especially verbs to do with thinking, feeling, expressing etc.), with its subject-ma
                    I'm always thinking of you.
     27. prep.          (following a noun (now chiefly nouns of knowledge, communication etc.)) (Introduces its subject matter); about, concerning.
                    He told us the story of his journey to India.
     28. prep.          (following an adjective) (Introduces its subject matter.)
                    This behaviour is typical of teenagers.
     29. prep. Having partitive effect.
     30. prep.          (following a number or other quantitive word) (Introduces the whole for which is indicated only the specified part or segment); "from among".
                    Most of these apples are rotten.
     31. prep.          (following a noun) (Indicates a given part.)
     32. prep.          (now archaic, literary, with preceding partitive word assumed, or as a predicate after to be) Some, an amount of, one of.
                    On the whole, they seem to be of the decent sort.
     33. prep.          (Links to a genitive noun or possessive pronoun, with partitive effect (though now often merged with possessive senses, below).)
                    He is a friend of mine.
     34. prep. Expressing possession.
     35. prep.          Belonging to, existing in, or taking place in a given location, place or time. Compare "origin" senses, above.
                    He was perhaps the most famous scientist of the twentieth century.
     36. prep.          Belonging to (a place) through having title, ownership or control over it.
                    The owner of the nightclub was arrested.
     37. prep.          Belonging to (someone or something) as something they possess or have as a characteristic; (the "possessive genitive". (With abstract nouns, this inter
                    Keep the handle of the saucepan away from the flames.
     38. prep. Forming the "objective genitive".
     39. prep.          (Follows an agent noun, verbal noun or noun of action.)
                    She had a profound distrust of the police.
     40. prep. Expressing qualities or characteristics.
     41. prep.          (now archaic, or literary) (Links an adjective with a noun or noun phrase to form a quasi-adverbial qualifier); in respect to, as regards.
                    My companion seemed affable and easy of manner.
     42. prep.          (Indicates a quality or characteristic); "characterized by".
                    Pooh was said to be a bear of very little brain.
     43. prep.          (Indicates quantity, age, price, etc.)
                    We have been paying interest at a rate of 10%.
     44. prep.          (US, informal considered incorrect by some) (Used to link singular indefinite nouns (preceded by the indefinite article) and attributive adjectives mod
                    It's not that big of a deal.
     45. prep. Expressing a point in time.
     46. prep.          (chiefly regional) During the course of (a set period of time, day of the week etc.), now specifically with implied repetition or regularity.
                    Of an evening, we would often go for a stroll along the river.
     47. prep.          (UK dialectal, chiefly in negative constructions) For (a given length of time).
                    I've not tekken her out of a goodly long while.
     48. prep.          (after a noun) (Indicates duration of a state, activity etc.)
                    After a delay of three hours, the plane finally took off.
an
     1. art. Form of a used before a vowel sound
     2. art. (now quite rare) Form of a used before 'h' in an unstressed syllable
     3. art. (nonstandard) Form of a used before 'h' in a stressed syllable
     4. conj. (archaic) If
     5. conj. (archaic) So long as.
           An it harm none, do what ye will.
     6. conj. (archaic) As if; as though.
     7. n. The first letter of the Georgian alphabet, ა (Mkhedruli), Ⴀ (Asomtavruli) or ⴀ (Nuskhuri).
     8. prep. In each; to or for each; per.
           I was only going twenty miles an hour.
approach
     1. v. (intransitive) To come or go near, in place or time; to draw nigh; to advance nearer.
     2. v. (intransitive, figuratively) To draw near, in a figurative sense; to make advances; to approximate.
           as he approaches to the character of the ablest statesman.
     3. v. To come near to in place, time, character or value; to draw nearer to.
           "Would counsel please approach the bench?" asked the judge.
           He approached the age of manhood.
     4. v. To make an attempt at (solving a problem or making a policy).
     5. v. To speak to, as to make a request or ask a question.
     6. v. (transitive, military) To take approaches to.
     7. v. To bring near; to cause to draw near.
     8. n. The act of drawing near; a coming or advancing near.
     9. n. An access, or opportunity of drawing near.
     10. n. (in plural) Movements to gain favor; advances.
     11. n. A way, passage, or avenue by which a place or buildings can be approached; an access.
     12. n. A manner in which a problem is solved or policy is made.
     13. n. (used only in the fortification) The advanced works, trenches, or covered roads made by besiegers in their advances toward a fortress or military post.
     14. n. (golf, tennis) An approach shot.
     15. n. The way an aircraft comes in to land at an airport.
     16. n. (bowling) The area before the lane, in which a player may stand or run up before bowling the ball.
to
     1. part. A particle used for marking the following verb as an infinitive.
           I want to leave.
           He asked me what to do.
           I don’t know how to say it.
           I have places to go and people to see.
     2. part. As above, with the verb implied.
           "Did you visit the museum?" "I wanted to, but it was closed.".
           If he hasn't read it yet, he ought to.
     3. part. A particle used to create phrasal verbs.
           I have to do laundry today.
     4. prep. Indicating destination: In the direction of, and arriving at.
           We are walking to the shop.
     5. prep. Used to indicate purpose.
           He devoted himself to education.
           They drank to his health.
     6. prep. Used to indicate result of action.
           His face was beaten to a pulp.
     7. prep. Used after an adjective to indicate its application.
           similar to ..., relevant to ..., pertinent to ..., I was nice to him, he was cruel to her, I am used to walking.
     8. prep. (obsolete,) As a.
           With God to friend (with God as a friend);   with The Devil to fiend (with the Devil as a foe);   lambs slaughtered to lake (lambs slaughtered as a sacrifice);   t
     9. prep. (arithmetic) Used to indicate a ratio or comparison.
           one to one = 1:1
           ten to one = 10:1.
           I have ten dollars to your four.
     10. prep. (arithmetic) Used to indicate that the preceding term is to be raised to the power of the following value; indicates exponentiation.
           Three squared or three to the second power is nine.
           Three to the power of two is nine.
           Three to the second is nine.
     11. prep. Used to indicate the indirect object.
           I gave the book to him.
     12. prep. (time) Preceding.
           ten to ten = 9:50; We're going to leave at ten to (the hour).
     13. prep. Used to describe what something consists of or contains.
           Anyone could do this job; there's nothing to it.
           There's a lot of sense to what he says.
     14. prep. (Canada, UK, Newfoundland, West Midlands) At.
           Stay where you're to and I'll come find you, b'y.
     15. adv. Toward a closed, touching or engaging position.
           Please push the door to.
     16. adv. (nautical) Into the wind.
     17. adv. misspelling of too
problem
     1. n. A difficulty that has to be resolved or dealt with.
           She's leaving because she faced numerous problems to do with racism.
     2. n. A question to be answered, schoolwork exercise.
     3. n. A puzzling circumstance.
     4. adj. (of a person or an animal) Difficult to train or guide; unruly.
     5. adj. Causing a problem; problematic; troublesome.
solving
     1. v. present participle of solve
     solve
          1. v. To find an answer or solution to a problem or question; to work out.
          2. v. (mathematics) To find the values of variables that satisfy a system of equations and/or inequalities.
          3. v. (mathematics) To algebraically manipulate an equation or inequality into a form that isolates a chosen variable on one side, so that the other side consists of an expression that may be used to genera
          4. n. (now rare, chiefly law enforcement) A solution; an explanation.
learning
     1. n. An act in which something is learned.
     2. n. Accumulated knowledge.
           The department head was also a scholar of great learning.
     3. n. Something that has been learned
     4. v. present participle of learn
           I'm learning to ride a unicycle.
     learn
          1. v. To acquire, or attempt to acquire knowledge or an ability to do something.
          2. v. To attend a course or other educational activity.
          3. v. To gain knowledge from a bad experience so as to improve.
                learn from one's mistakes
          4. v. To be studying.
          5. v. To come to know; to become informed of; to find out.
                He just learned that he will be sacked.
          6. v. (now only in non-standard speech, and dialects) To teach.
                Give him a clip round the ear. That'll learn him!
or
     1. conj. Connects at least two alternative words, phrases, clauses, sentences, etc. each of which could make a passage true. In English, this is the "inclusive or." The "exclusive or" is formed by "either(...)
           In Ohio, anyone under the age of 18 who wants a tattoo or body piercing needs the consent of a parent or guardian.
           He might get cancer, or be hit by a bus, or God knows what.
     2. conj. (logic) An operator denoting the disjunction of two propositions or truth values. There are two forms, the inclusive or and the exclusive or.
     3. conj. Counts the elements before and after as two possibilities.
     4. conj. Otherwise (a consequence of the condition that the previous is false).
           It's raining! Come inside or you'll catch a cold!
     5. conj. Connects two equivalent names.
           The country Myanmar, or Burma
     6. n. (logic, electronics) alternative form of OR
     7. n. (tincture) The gold or yellow tincture on a coat of arms.
     8. adj. (tincture) Of gold or yellow tincture on a coat of arms.
     9. adv. (obsolete) Early (on).
     10. adv. (obsolete) Earlier, previously.
     11. prep. (now archaic, or dialect) Before; ere.
discovery
     1. n. Something discovered.
           This latest discovery should eventually lead to much better treatments for disease.
     2. n. The discovering of new things.
           The purpose of the voyage was discovery.
           automatic discovery of RSS feeds by a Web browser
     3. n. (archaic) An act of uncovering or revealing something; a revelation.
     4. n. (legal) A pre-trial phase in which evidence is gathered.
           The prosecution moved to suppress certain items turned up during discovery.
     5. n. (legal) Materials revealed to the opposing party during the pre-trial phase in which evidence is gathered.
           The defense argued that the plaintiff's discovery was inadequate.
that
     1. conj. Introducing a clause which is the subject or object of a verb (such as one involving reported speech), or which is a complement to a previous statement.
           He told me that the book is a good read.
           I believe that it is true. — She is convinced that he is British.
     2. conj. Introducing a subordinate clause expressing a reason or cause: because, in that.
           Be glad that you have enough to eat.
     3. conj. (now uncommon) Introducing a subordinate clause that expresses an aim, purpose or goal ("final"), and usually contains the auxiliaries may, might or should: so, so that.
     4. conj. Introducing — especially, but not exclusively, with an antecedent like so or such — a subordinate clause expressing a result, consequence or effect.
           The noise was so loud that she woke up.
           The problem was sufficiently important that it had to be addressed.
     5. conj. (archaic, or poetic) Introducing a premise or supposition for consideration: seeing as; inasmuch as; given that; as would appear from the fact that.
     6. conj. Introducing a subordinate clause modifying an adverb.
           Was John there? — Not that I saw.
           How often did she visit him? — Twice that I saw.
     7. conj. Introducing an exclamation expressing a desire or wish.
     8. conj. Introducing an exclamation expressing a strong emotion such as sadness or surprise.
     9. det. The (thing, person, idea, etc) indicated or understood from context, especially if more remote physically, temporally or mentally than one designated as "this", or if expressing distinction.
           That book is a good read. This one isn't.
           That battle was in 1450.
           That cat of yours is evil.
     10. pron. (demonstrative) The thing, person, idea, quality, event, action or time indicated or understood from context, especially if more remote geographically, temporally or mentally than one designated as "t
           He went home, and after that I never saw him again.
     11. pron. The known (thing); (used to refer to something just said).
           They're getting divorced. What do you think about that?
     12. pron. (demonstrative) The aforementioned quality; used together with a verb and pronoun to emphatically repeat a previous statement.
           The water is so cold! — That it is.
     13. pron. (relative) (plural that) Which, who; (representing a subject, direct object, indirect object, or object of a preposition).
           The CPR course that she took really came in handy.
           The house that he lived in was old and dilapidated.
     14. pron. (colloquial) (Used in place of relative adverbs such as where or when; often omitted.)
           the place that = where or to which I went last year
           the last time that = when I went to Europe
     15. adv. (degree) To a given extent or degree.
           "The ribbon was that thin." "I disagree, I say it was not that thin, it was thicker... or maybe thinner...".
     16. adv. (degree) To a great extent or degree; very, particularly (in negative constructions).
           I'm just not that sick.
           I did the run last year, and it wasn't that difficult.
     17. adv. (obsolete, outside, dialects) To such an extent; so. (in positive constructions).
           Ooh, I was that happy I nearly kissed her.
     18. n. (philosophy) Something being indicated that is there; one of those.
employs
     1. v. third-person singular present indicative of employ
     employ
          1. n. The state of being an employee; employment.
                The school district has six thousand teachers in its employ.
          2. v. To hire (somebody for work or a job).
                Yesterday our local garage employed a new mechanic.
          3. v. To use (somebody for a job, or something for a task).
                The burglar employed a jemmy to get in.
          4. v. To make busy.
a
     1. art. One; any indefinite example of; used to denote a singular item of a group.
           There was a man here looking for you yesterday.
     2. art. Used in conjunction with the adjectives score, dozen, hundred, thousand, and million, as a function word.
           I've seen it happen a hundred times.
     3. art. One certain or particular; any single.Brown, Lesley, (2003)
           We've received an interesting letter from a Mrs. Miggins of London.
     4. art. The same; one.
           We are of a mind on matters of morals.
     5. art. Any, every; used before a noun which has become modified to limit its scope; also used with a negative to indicate not a single one.Lindberg, Christine A. (2007)
           A man who dies intestate leaves his children troubles and difficulties.
           He fell all that way, and hasn't a bump on his head?
     6. art. Used before plural nouns modified by few, good many, couple, great many, etc.
     7. art. Someone or something like; similar to; Used before a proper noun to create an example out of it.
           The center of the village was becoming a Times Square.
     8. prep. (archaic) To do with position or direction; In, on, at, by, towards, onto.
           Stand a tiptoe.
     9. prep. To do with separation; In, into.
           Torn a pieces.
     10. prep. To do with time; Each, per, in, on, by.
           I brush my teeth twice a day.
     11. prep. (obsolete) To do with method; In, with.
     12. prep. (obsolete) To do with role or capacity; In.
           A God’s name.
     13. prep. To do with status; In.
           King James Bible (II Chronicles 2:18)
             To set the people a worke.
     14. prep. (archaic) To do with process, with a passive verb; In the course of, experiencing.
           1964, Bob Dylan, The Times They Are a-Changin’
             The times, they are a-changin'.
     15. prep. (archaic) To do with an action, an active verb; Engaged in.
           1611, King James Bible, Hebrews 11-21
             Jacob, when he was a dying
     16. prep. (archaic) To do with an action/movement; To, into.
     17. v. (archaic, or slang) Have.
           I'd a come, if you'd a asked.
     18. pron. (obsolete, outside, England, and Scotland dialects) He.
     19. interj. A meaningless syllable; ah.
     20. prep. (archaic, slang) Of.
           The name of John a Gaunt.
     21. adv. (chiefly Scotland) All.
     22. adj. (chiefly Scotland) All.
practical
     1. n. (British) A part of an exam or series of exams in which the candidate has to demonstrate their practical ability
     2. adj. Based on practice or action rather than theory or hypothesis
           Jack didn't get an engineering degree, but has practical knowledge of metalworking.
     3. adj. Being likely to be effective and applicable to a real situation; able to be put to use
           Jack's knowledge has the practical benefit of giving us useful prototype parts.
     4. adj. Of a person, having skills or knowledge that are practical
           All in all, Jack's a very practical chap.
method
     1. n. A process by which a task is completed; a way of doing something (followed by the adposition of, to or for before the purpose of the process):
           One method of exercising a cat consists of making it follow the spot generated by a laser pointer.
           If one method doesn't work, you should ask a friend to help you.
     2. n. (acting, often "the method") A technique for acting based on the ideas articulated by Constantin Stanislavski and focusing on authentically experiencing the inner life of the character being portrayed
     3. n. (object-oriented) A subroutine or function belonging to a class or object.
     4. n. (slang) Marijuana.
     5. v. (lbl, en, transitive) to apply a method
     6. v. (lbl, en, casting, by extension, transitive) to apply particular treatment methods to a mold
           The company employs extensive use of 3D modelling combined with solidification simulation to ensure that critical castings are properly methoded.
     7. n. (skateboarding, snowboarding) (ellipsis of method air).
not
     1. adv. Negates the meaning of the modified verb.
           Did you take out the trash? No, I did not.
           Not knowing any better, I went ahead.
     2. adv. To no degree.
           That is not red; it's orange.
     3. conj. And not.
           I wanted a plate of shrimp, not a bucket of chicken.
           He painted the car blue and black, not solid purple.
     4. interj. (slang) Used to indicate that the previous phrase was meant sarcastically or ironically.
           I really like hanging out with my little brother watching Barney... not!
           Sure, you're perfect the way you are... not!
     5. n. Unary logical function NOT, true if input is false, or a gate implementing that negation function.
           You need a not there to conform with the negative logic of the memory chip.
     6. contraction. (obsolete) Contraction of ne wot, wot not; know not; knows not.
guaranteed
     1. v. simple past tense and past participle of guarantee
     2. adj. Made certain; promised.
           $100k guaranteed = at least 100,000 dollars are going to be split among the winners in a game of poker
     guarantee
          1. n. Anything that assures a certain outcome.
                Can you give me a guarantee that he will be fit for the match?
          2. n. A legal assurance of something, e.g. a security for the fulfillment of an obligation.
          3. n. More specifically, a written declaration that a certain product will be fit for a purpose and work correctly; a warranty
                The cooker comes with a five-year guarantee.
          4. n. The person to whom a guarantee is made.
          5. n. (colloquial) A person who gives such a guarantee; a guarantor.
          6. v. To give an assurance that something will be done right.
          7. v. To assume responsibility for a debt or other obligation.
          8. v. To make something certain.
                The long sunny days guarantee a good crop.
to
     1. part. A particle used for marking the following verb as an infinitive.
           I want to leave.
           He asked me what to do.
           I don’t know how to say it.
           I have places to go and people to see.
     2. part. As above, with the verb implied.
           "Did you visit the museum?" "I wanted to, but it was closed.".
           If he hasn't read it yet, he ought to.
     3. part. A particle used to create phrasal verbs.
           I have to do laundry today.
     4. prep. Indicating destination: In the direction of, and arriving at.
           We are walking to the shop.
     5. prep. Used to indicate purpose.
           He devoted himself to education.
           They drank to his health.
     6. prep. Used to indicate result of action.
           His face was beaten to a pulp.
     7. prep. Used after an adjective to indicate its application.
           similar to ..., relevant to ..., pertinent to ..., I was nice to him, he was cruel to her, I am used to walking.
     8. prep. (obsolete,) As a.
           With God to friend (with God as a friend);   with The Devil to fiend (with the Devil as a foe);   lambs slaughtered to lake (lambs slaughtered as a sacrifice);   t
     9. prep. (arithmetic) Used to indicate a ratio or comparison.
           one to one = 1:1
           ten to one = 10:1.
           I have ten dollars to your four.
     10. prep. (arithmetic) Used to indicate that the preceding term is to be raised to the power of the following value; indicates exponentiation.
           Three squared or three to the second power is nine.
           Three to the power of two is nine.
           Three to the second is nine.
     11. prep. Used to indicate the indirect object.
           I gave the book to him.
     12. prep. (time) Preceding.
           ten to ten = 9:50; We're going to leave at ten to (the hour).
     13. prep. Used to describe what something consists of or contains.
           Anyone could do this job; there's nothing to it.
           There's a lot of sense to what he says.
     14. prep. (Canada, UK, Newfoundland, West Midlands) At.
           Stay where you're to and I'll come find you, b'y.
     15. adv. Toward a closed, touching or engaging position.
           Please push the door to.
     16. adv. (nautical) Into the wind.
     17. adv. misspelling of too
be
     1. v. (intransitive, now literary) To exist; to have real existence.
     2. v. (with there, or dialectally it, as dummy subject) To exist.
           There is just one woman in town who can help us. (or, dialectally:) It is just one woman in town who can help us.
     3. v. (intransitive) To occupy a place.
           The cup is on the table.
     4. v. (intransitive) To occur, to take place.
           When will the meeting be?
     5. v. (intransitive, in perfect tenses, without predicate) Elliptical form of "be here", "go to and return from" or similar.
           The postman has been today, but my tickets have still not yet come.
           I have been to Spain many times.
           Moscow, huh? I've never been, but it sounds fascinating.
     6. v. (transitive, copulative) Used to indicate that the subject and object are the same.
           Knowledge is bliss.
           Hi, I’m Jim.
     7. v. (transitive, copulative, mathematics) Used to indicate that the values on either side of an equation are the same.
           3 times 5 is fifteen.
     8. v. (transitive, copulative) Used to indicate that the subject plays the role of the predicate nominal.
           François Mitterrand was president of France from 1981 to 1995.
     9. v. (transitive, copulative) Used to connect a noun to an adjective that describes it.
           The sky is blue.
     10. v. (transitive, copulative) Used to indicate that the subject has the qualities described by a noun or noun phrase.
           The sky is a deep blue today.
     11. v. (transitive, auxiliary) Used to form the passive voice.
           The dog was drowned by the boy.
     12. v. (transitive, auxiliary) Used to form the continuous forms of various tenses.
           The woman is walking.
           I shall be writing to you soon.
           We liked to chat while we were eating.
     13. v. (archaic, auxiliary) Used to form the perfect aspect with certain intransitive verbs, most of which indicate motion. Often still used for "to go".
     14. v. (transitive, auxiliary) Used to form future tenses, especially the future periphrastic.
           I am to leave tomorrow.
           I would drive you, were I to obtain a car.
     15. v. (transitive, copulative) Used to link a subject to a measurement.
           This building is three hundred years old.
           I am 75 kilograms.
           He’s about 6 feet tall.
     16. v. (transitive, copulative, with a cardinal numeral) Used to state the age of a subject in years.
           I’m 20. (= I am 20 years old.)
     17. v. (with a dummy subject) it Used to indicate the time of day.
           It is almost eight. (= It is almost eight o’clock.)
           It’s 8:30 read eight-thirty in Tokyo.
           What time is it there? It’s night.
     18. v. (With since) Used to indicate passage of time since the occurrence of an event.
           It has been three years since my grandmother died. (similar to My grandmother died three years ago, but emphasizes the intervening period)
           It had been six days since his departure, when I received a letter from him.
     19. v. (often, impersonal, with it as a dummy subject) Used to indicate weather, air quality, or the like.
           It is hot in Arizona, but it is not usually humid.
           Why is it so dark in here?
     20. v. (dynamic/lexical "be", especially in progressive tenses, conjugated non-suppletively in the present tense, see usage notes) To exist or behave in a certain way.
           "What do we do?" "We be ourselves.".
           Why is he being nice to me?
optimal
     1. adj. The best, most favourable or desirable, especially under some restriction.
           Finding the optimal balance between features and price is a common problem.
     2. adj. (artificial intelligence) Describing a search algorithm that always returns the best result.
or
     1. conj. Connects at least two alternative words, phrases, clauses, sentences, etc. each of which could make a passage true. In English, this is the "inclusive or." The "exclusive or" is formed by "either(...)
           In Ohio, anyone under the age of 18 who wants a tattoo or body piercing needs the consent of a parent or guardian.
           He might get cancer, or be hit by a bus, or God knows what.
     2. conj. (logic) An operator denoting the disjunction of two propositions or truth values. There are two forms, the inclusive or and the exclusive or.
     3. conj. Counts the elements before and after as two possibilities.
     4. conj. Otherwise (a consequence of the condition that the previous is false).
           It's raining! Come inside or you'll catch a cold!
     5. conj. Connects two equivalent names.
           The country Myanmar, or Burma
     6. n. (logic, electronics) alternative form of OR
     7. n. (tincture) The gold or yellow tincture on a coat of arms.
     8. adj. (tincture) Of gold or yellow tincture on a coat of arms.
     9. adv. (obsolete) Early (on).
     10. adv. (obsolete) Earlier, previously.
     11. prep. (now archaic, or dialect) Before; ere.
perfect
     1. adj. Fitting its definition precisely.
           a perfect circle
     2. adj. Having all of its parts in harmony with a common purpose.
           That bucket with the hole in the bottom is a poor bucket, but it is perfect for watering plants.
     3. adj. Without fault or mistake; thoroughly skilled or talented.
           Practice makes perfect.
     4. adj. Excellent and delightful in all respects.
           a perfect day
     5. adj. (grammar, of a tense or verb form) Representing a completed action.
     6. adj. (biology) Sexually mature and fully differentiated.
     7. adj. (botany) Of flowers, having both male (stamens) and female (carpels) parts.
     8. adj. (analysis) Of a set, that it is equal to its set of limit points, i.e. set A is perfect if A=A'.
     9. adj. (music) Describing an interval or any compound interval of a unison, octave, or fourths and fifths that are not tritones.
     10. adj. (of a cocktail) Made with equal parts of sweet and dry vermouth.
           a perfect Manhattan;  a perfect Rob Roy
     11. adj. (obsolete) Well informed; certain; sure.
     12. n. (grammar) The perfect tense, or a form in that tense.
     13. n. (video games) A perfect score; the achievement of finishing a stage or task with no mistakes.
     14. v. To make perfect; to improve or hone.
           I am going to perfect this article.
           You spend too much time trying to perfect your dancing.
     15. v. (legal) To take an action, usually the filing of a document in the correct venue, that secures a legal right.
           perfect an appeal; perfect an interest; perfect a judgment
not
     1. adv. Negates the meaning of the modified verb.
           Did you take out the trash? No, I did not.
           Not knowing any better, I went ahead.
     2. adv. To no degree.
           That is not red; it's orange.
     3. conj. And not.
           I wanted a plate of shrimp, not a bucket of chicken.
           He painted the car blue and black, not solid purple.
     4. interj. (slang) Used to indicate that the previous phrase was meant sarcastically or ironically.
           I really like hanging out with my little brother watching Barney... not!
           Sure, you're perfect the way you are... not!
     5. n. Unary logical function NOT, true if input is false, or a gate implementing that negation function.
           You need a not there to conform with the negative logic of the memory chip.
     6. contraction. (obsolete) Contraction of ne wot, wot not; know not; knows not.
following
     1. adj. Coming next, either in sequence or in time.
           See the following section.
     2. adj. About to be specified.
           The following words have no definition...
     3. adj. (of a wind) Blowing in the direction of travel.
           The following wind sped us on our way.
     4. prep. After, subsequent to.
           Following the meeting, we all had a chat.
     5. n. A group of followers, attendants or admirers; an entourage.
           He had a loyal following.
     6. n. Vocation; business; profession.
     7. n. (with definite article, treated as singular or plural) A thing or things to be mentioned immediately after.
           The following is a recommendation letter from the president.
           The following are the three most important questions.
     follow
          1. v. To go after; to pursue; to move behind in the same path or direction.
                Follow that car!
          2. v. To go or come after in a sequence.
                B follows A in the alphabet.
                We both ordered the soup, with roast beef to follow.
          3. v. To carry out (orders, instructions, etc.).
                Follow these instructions to the letter.
          4. v. To live one's life according to (religion, teachings, etc).
          5. v. To understand, to pay attention to.
                Do you follow me?
          6. v. To watch, to keep track of (reports of) some event or person.
                I followed the incumbent throughout the election.
                My friends don't regularly follow the news.
          7. v. To be a logical consequence of.
                It follows that if two numbers are not equal then one is larger than the other.
          8. v. To walk in, as a road or course; to attend upon closely, as a profession or calling.
          9. n. (sometimes attributive) In billiards and similar games, a stroke causing a ball to follow another ball after hitting it.
                a follow shot
          10. n. (internet) The act of following another user's online activity.
or
     1. conj. Connects at least two alternative words, phrases, clauses, sentences, etc. each of which could make a passage true. In English, this is the "inclusive or." The "exclusive or" is formed by "either(...)
           In Ohio, anyone under the age of 18 who wants a tattoo or body piercing needs the consent of a parent or guardian.
           He might get cancer, or be hit by a bus, or God knows what.
     2. conj. (logic) An operator denoting the disjunction of two propositions or truth values. There are two forms, the inclusive or and the exclusive or.
     3. conj. Counts the elements before and after as two possibilities.
     4. conj. Otherwise (a consequence of the condition that the previous is false).
           It's raining! Come inside or you'll catch a cold!
     5. conj. Connects two equivalent names.
           The country Myanmar, or Burma
     6. n. (logic, electronics) alternative form of OR
     7. n. (tincture) The gold or yellow tincture on a coat of arms.
     8. adj. (tincture) Of gold or yellow tincture on a coat of arms.
     9. adv. (obsolete) Early (on).
     10. adv. (obsolete) Earlier, previously.
     11. prep. (now archaic, or dialect) Before; ere.
derived
     1. adj. (systematics) Of, or pertaining to, conditions unique to the descendant species of a clade, and not found in earlier ancestral species.
     2. adj. (comparable, archaic, taxonomy) Possessing features believed to be more advanced or improved than those other organisms.
     3. adj. product of derivation
           The French language is derived from Latin.
     4. v. simple past tense and past participle of derive
     derive
          1. v. To obtain or receive (something) from something else.
          2. v. (transitive, logic) To deduce (a conclusion) by reasoning.
          3. v. (transitive, linguistics) To find the derivation of (a word or phrase).
          4. v. (transitive, chemistry) To create (a compound) from another by means of a reaction.
          5. v. (intransitive) To originate or stem (from).
          6. v. To turn the course of (water, etc.); to divert and distribute into subordinate channels.
from
     1. prep. With the source or provenance of or at.
           This wine comes from France.
           I got a letter from my brother.
     2. prep. With the origin, starting point or initial reference of or at.
           He had books piled from floor to ceiling.
           He left yesterday from Chicago.
           Face away from the wall!
     3. prep. (mathematics, now uncommon) Denoting a subtraction operation.
           20 from 31 leaves 11.
     4. prep. With the separation, exclusion or differentiation of.
           An umbrella protects from the sun.
           He knows right from wrong.
any
     1. adv. To even the slightest extent, at all.
           I will not remain here any longer.
           If you get any taller, you'll start having to duck through doorways!
     2. det. At least one; of at least one kind. One at all.
           do you have any biscuits?;  do you have any food?;  I haven't got any money;  it won't do you any good
     3. det. No matter what kind.
           choose any items you want;  any person may apply
     4. pron. Any thing(s) or person(s).
           Any may apply.
theory
     1. n. An description of an event or system that is considered to be accurate.
     2. n. (obsolete) Mental conception; reflection, consideration.
     3. n. (sciences) A coherent statement or set of ideas that explains observed facts or phenomena and correctly predicts new facts or phenomena not previously observed, or which sets out the laws and principl
     4. n. The underlying principles or methods of a given technical skill, art etc., as opposed to its practice.
     5. n. (mathematics) A field of study attempting to exhaustively describe a particular class of constructs.
           Knot theory classifies the mappings of a circle into 3-space.
     6. n. A hypothesis or conjecture.
     7. n. (logic) A set of axioms together with all statements derivable from them; or, a set of statements which are deductively closed. Equivalently, a formal language plus a set of axioms (from which can the
           A theory is consistent if it has a model.
Dictionary entries from Wiktionary