1. n. (chiefly un) The act of turning around a centre or an axis.
The earth's rotation about its axis is responsible for its being slightly oblate rather than a sphere.
2. n. A single complete cycle around a centre or an axis.
Earth's moon completes a rotation every twenty-seven days or so.
3. n. A regular variation in a sequence, such as to even-out wear, or people taking turns in a task; a duty roster.
Applying crop rotation to a field avoids depleting soil nutrients the way repeated use of a single crop might do.
In rotation, each member of the group would be responsible for the beacon fire.
The medical resident finished a two-week rotation in pediatrics and began one in orthopaedics.
4. n. (mathematics, geometry) An operation on a metric space that is a continuous isometry and fixes at least one point.
The function mapping (x,y) to (&x2212;y,x) is a rotation.
5. n. (baseball) The set of (soplink, starting, pitchers) of a team.
6. n. (aviation) The step during takeoff when the pilot commands the vehicle to lift the nose wheel off the ground during the takeoff roll. (see also: V2)
7. n. Repeated play on a radio station, etc.
The new single enjoyed heavy rotation on MTV.
spin
1. 回転, スピン
2. 回転する
spin
1. v. To rotate, revolve, gyrate (usually quickly); to partially or completely rotate to face another direction.
I spun myself around a few times.
Spin the ball on the floor.
She spun around and gave him a big smile.
2. v. To make yarn by twisting and winding fibers together.
They spin the cotton into thread.
3. v. To present, describe, or interpret, or to introduce a bias or slant, so as to give something a favorable or advantageous appearance.
4. v. (cricket, of a bowler) To make the ball move sideways when it bounces on the pitch.
5. v. (cricket, of a ball) To move sideways when bouncing.
6. v. (cooking) To form into thin strips or ribbons, as with sugar
7. v. To form (a web, a cocoon, silk, etc.) from threads produced by the extrusion of a viscid, transparent liquid, which hardens on coming into contact with the air; said of the spider, the silkworm, etc.
8. v. To shape, as malleable sheet metal, into a hollow form, by bending or buckling it by pressing against it with a smooth hand tool or roller while the metal revolves, as in a lathe.
9. v. To move swiftly.
to spin along the road in a carriage, on a bicycle, etc.
10. v. To stream or issue in a thread or a small current or jet.
Blood spins from a vein.
11. v. (computing, programming, intransitive) To wait in a loop until some condition becomes true.
12. v. (transitive, informal) To play (vinyl records, etc.) as a disc jockey.
13. n. Rapid circular motion.
The car went into a spin.
The skaters demonstrated their spins.
He put some spin on the cue ball.
14. n. (physics) A quantum angular momentum associated with subatomic particles, which also creates a magnetic moment.
15. n. A favourable comment or interpretation intended to bias opinion on an otherwise unpleasant situation.
Try to put a positive spin on the disappointing sales figures.
The politician was mocked in the press for his reliance on spin rather than facts.
16. n. (sports) Rotation of the ball as it flies through the air; sideways movement of the ball as it bounces.
17. n. A condition of flight where a stalled aircraft is simultaneously pitching, yawing and rolling in a spinning motion.
18. n. A brief trip by vehicle, especially one made for pleasure.
I'm off out for a spin in my new sports car.
19. n. A bundle of spun material; a mass of strands and filaments.
20. n. A single play of a record by a radio station.
21. n. (dated) Unmarried woman, spinster.
turn
1. 動詞. (他動詞)まわす。
2. 動詞. (自動詞)まわる、回転する。
3. 動詞. (他動詞)かえる。
4. 動詞. (自動詞)まがる。
5. 動詞. (他動詞)裏返す。
6. 動詞. (自動詞)（時間など）すぎる。
7. 名詞. 回転。
8. 名詞. コーナー。
9. 名詞. 順番。
It's your turn.
君の番だよ。
10. 名詞. 性質。
turn
1. v.to make a non-linear physical movement.:
2. v. (intransitive) Of a body, person, etc, to move around an axis through itself.
the Earth turns; turn on the spot
3. v. To change the direction or orientation of, especially by rotation.
Turn the knob clockwise.
4. v. (intransitive) to change one's direction of travel.
She turned right at the corner.
5. v. (intransitive, figuratively) to change the course of.
6. v. To shape (something) symmetrically by rotating it against a stationary cutting tool, as on a lathe.
She turned the table legs with care and precision.
7. v. (by extension) To give form to; to shape or mould; to adapt.
8. v. To position (something) by folding it, or using its folds.
turn the bed covers; turn the pages
9. v. (transitive, figuratively) To navigate through a book or other printed material.
turn to page twenty; turn through the book
10. v. (transitive, cricket) Of a bowler, to make (the ball) move sideways off the pitch when it bounces.
11. v. (intransitive, cricket) Of a ball, to move sideways off the pitch when it bounces.
12. v. (heading, intransitive) To change condition or attitude.
13. v. (copulative) To become (begin to be).
The leaves turn brown in autumn. When I asked him for the money, he turned nasty.
14. v. To change the color of the leaves in the autumn.
The hillside behind our house isn't generally much to look at, but once all the trees turn it's gorgeous.
15. v. To change fundamentally; to metamorphose.
Midas made everything turn to gold. He turned into a monster every full moon.
16. v. # (intransitive) To sour or spoil; to go bad.
# This milk has turned; it smells awful.
17. v. # To make acid or sour; to ferment; to curdle.
# to turn cider or wine
18. v. To reach a certain age.
Charlie turns six on September 29.
19. v. To hinge; to depend.
The decision turns on a single fact.
20. v. To rebel; to go against something formerly tolerated.
The prisoners turned on the warden.
21. v. To change personal condition.
22. v. # (professional wrestling) To change personalities, such as from being a face (good guy) to heel (bad guy) or vice versa.
23. v. # To become giddy; said of the head or brain.
24. v. # To sicken; to nauseate.
# The sight turned my stomach.
25. v. # To be nauseated; said of the stomach.
26. v. #:
27. v. (obsolete, reflexive) To change one's course of action; to take a new approach.
28. v. (transitive, usually with over) To complete.
They say they can turn the parts in two days.
29. v. (transitive, soccer) Of a player, to go past an opposition player with the ball in one's control.
30. v. To undergo the process of turning on a lathe.
Ivory turns well.
31. v. (obstetrics) To bring down the feet of a child in the womb, in order to facilitate delivery.
32. v. (printing, dated) To invert a type of the same thickness, as a temporary substitute for any sort which is exhausted.
33. v. (archaic) To translate.
to turn the Iliad
34. v. (transitive, role-playing games) To magically or divinely attack undead.
35. n. A change of direction or orientation.
Give the handle a turn, then pull it.
36. n. A movement of an object about its own axis in one direction that continues until the object returns to its initial orientation.
37. n. (geometry) A unit of plane angle measurement based on this movement.
38. n. A single loop of a coil.
39. n. A chance to use (something) shared in sequence with others.
They took turns playing with the new toy.
40. n. The time allotted to a person in a rota or schedule.
I cooked tonight, so it's your turn to do the dishes.
41. n. One's chance to make a move in a game having two or more players.
42. n. A figure in music, often denoted ~, consisting of the note above the one indicated, the note itself, the note below the one indicated, and the note itself again.
43. n. (also turnaround) The time required to complete a project.
They quote a three-day turn on parts like those.
44. n. A fit or a period of giddiness.
I've had a funny turn.
45. n. A change in temperament or circumstance.
She took a turn for the worse.
46. n. (cricket) A sideways movement of the ball when it bounces (caused by rotation in flight).
47. n. (poker) The fourth communal card in Texas hold 'em.
48. n. (poker, obsolete) The flop (the first three community cards) in Texas hold 'em.
49. n. A deed done to another.
One good turn deserves another.
I felt that the man was of a vindictive nature, and would do me an evil turn if he found the opportunitynb....
50. n. (rope) A pass behind or through an object.
51. n. Character; personality; nature.
52. n. (soccer) An instance of going past an opposition player with the ball in one's control.
53. n. (circus, theatre, especially, physical comedy) A short skit, act, or routine.
revolution
1. eng. 革命。
2. eng. 回転。
3. eng. （天文学）公転。
revolution
1. n. A political upheaval in a government or nation state characterized by great change.
2. n. The removal and replacement of a government, especially by sudden violent action.
3. n. Rotation: the turning of an object around an axis.
4. n. A rotation: one complete turn of an object during rotation.
5. n. In the case of celestial bodies - the traversal of one body through an orbit around another body.
6. n. A sudden, vast change in a situation, a discipline, or the way of thinking and behaving.
7. n. A round of periodic changes, such as between the seasons of the year.
8. n. Consideration of an idea; the act of revolving something in the mind.
