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. | |
microscope |
1. n. An optical instrument used for observing small objects. | |
2. n. Any instrument for imaging very small objects (such as an electron microscope). | |
3. v. To examine with a microscope, to put under a microscope (literally or figuratively). | |
Is |
1. n. plural of I | |
2. v. third-person singular present indicative of be | |
He is a doctor. He retired some time ago. | |
Should he do the task, it is vital that you follow him. | |
3. n. plural of i | |
remember to dot your is | |
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? | |
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. | |
optical |
1. adj. Of, or relating to sight; visual. | |
Strabismus is an optical defect. | |
2. adj. Designed to assist or enhance sight | |
A microscope is an optical instrument. | |
3. adj. Of, or relating to optics. | |
Refraction is an optical effect. | |
4. adj. Of, or relating to visible light. | |
Optical telescopes don't work when it is cloudy. | |
5. adj. Incorporating light-sensitive devices. | |
An optical switch opens the door automatically. | |
instrument |
1. n. A device used to produce music. | |
The violinist was a master of her instrument. | |
2. n. A means or agency for achieving an effect. | |
3. n. A measuring or displaying device. | |
The instrument detected an increase in radioactivity. | |
4. n. A tool, implement used for manipulation or measurement. | |
The dentist set down his tray of instruments. | |
The scientist recorded the temperature with a thermometer but wished he had a more accurate instrument. | |
5. n. (legal) A legal document, such as a contract, deed, trust, mortgage, power, indenture, or will. | |
A bond indenture is the instrument that gives a bond its value. | |
Negotiable instruments are the foundation of the debt markets. | |
6. n. (figuratively) A person used as a mere tool for achieving a goal. | |
7. v. To apply measuring devices. | |
8. v. To devise, conceive, cook up, plan. | |
9. v. To perform upon an instrument; to prepare for an instrument. | |
a sonata instrumented for orchestra | |