Etymology : Middle English, from Middle French, from Latin momentum movement, particle sufficient to turn the scales, moment, from movEre to move
Pronunciation : mO-m&nt
Function : noun
Date : 14th century
1. momentum.
2. infinitely short period of time; exact point of time, present time; importance, value; product of a force and the distance from its action to a point (Physics, Mechanics). moment\mo"ment\ , n. [f. moment, l. momentum, for movimentum movement, motion, moment, fr. movere to move. see:
move, and cf. momentum, movement.].
3. a minute portion of time; a point of time; an instant; as, at thet very moment. in a moment, in the twinkling of an eye. xv.
4. 2. impulsive power; force; momentum. the moments or quantities of motion in bodies. --berkley. touch, with lightest moment of impulse, his free will.
5. importance, as in influence or effect; consequence; weight or value; consideration. matters of great moment. it is an abstruse speculation, but also of far less moment and consequence of us than the others.
6. an essential element; a deciding point, fact, or consideration; an essential or influential circumstance.
7. (math.) an infinitesimal change in a varying quantity; an increment or decrement. [obs.].
8. (mech.) tendency, or measure of tendency, to produce motion, esp. motion about a fixed point or axis.moment of a couple (mech.), the product of either of its forces into the perpendicular distance between them.moment of a force. (mech.) (a) with respect to a point, the product of the intensity of the force into the perpendicular distance from the point to the line of direction of the force. (b) with respect to a line, the product of that component of the force which is perpendicular to the plane passing through the line and the point of application of the force, into the shortest distance between the line and this point. (c) with respect to a plane that is parallel to the force, the product of the force into the perpendicular distance of its point of application from the plane.moment of inertia, of a rotating body, the sum of the mass of each particle of matter of the body into the square of its distance from the axis of rotation; -- called also moment of rotation and moment of the mass.
9. A minute portion of time; a point of time; an instant; as, at that very moment.
10. Impulsive power; force; momentum.
11. Importance, as in influence or effect; consequence; weight or value; consideration.
12. An essential element; a deciding point, fact, or consideration; an essential or influential circumstance.
13. An infinitesimal change in a varying quantity; an increment or decrement.
14. Tendency, or measure of tendency, to produce motion, esp. motion about a fixed point or axis. the n-th moment of a distribution is the expected value of the n-th power of the deviations from a fixed value the moment of a couple is the product of its force and the distance between its opposing forces a particular point in time; "the moment he arrived the party began" an indefinitely short time; "wait just a moment"; "it only takes a minute"; "in just a bit".
15. momentum, moment. moment, momentum. ,-ti phys. moment. torque.
16. moment. loading list. momentum.
17. 1. You can refer to a very short period of time, for example a few seconds, as a moment or moments. In a moment he was gone She stared at him a moment, then turned away Stop for one moment and think about it! In moments, I was asleep once more. = minute, second.
18. A particular moment is the point in time at which something happens. At this moment a car stopped at the house Many people still remember the moment when they heard that President Kennedy had been assassinated.
19. emphasis If you say that something will or may happen at any moment or any moment now, you are emphasizing that it is likely to happen very soon. They ran the risk of being shot at any moment He'll be here to see:
you any moment now.
20. You use expressions such as at the moment, at this moment, and at the present moment to indicate that a particular situation exists at the time when you are speaking. At the moment, no one is talking to me This is being planned at the present moment = now, currently.
21. emphasis If you say that you do not believe for a moment or for one moment that something is true, you are emphasizing that you do not believe that it could possibly be true. I don't for a moment think there'll be a divorce. = for a minute.
22. You use for the moment to indicate that something is true now, even if it will not be true in the future. For the moment, however, the government is happy to live with it.
23. If you say that someone or something has their moments, you are indicating that there are times when they are successful or interesting, but that this does not happen very often. The film has its moments.
24. If someone does something at the last moment, they do it at the latest time possible. They changed their minds at the last moment and refused to go.
25. emphasis You use the expression the next moment, or expressions such as `one moment he was there, the next he was gone', to emphasize that something happens suddenly, especially when it is very different from what was happening before. The next moment there was an almighty crash He is unpredictable, weeping one moment, laughing the next.
26. You use of the moment to describe someone or something that is or was especially popular at a particular time, especially when you want to suggest that their popularity is unlikely to last long or did not last long. He's the man of the moment, isn't he?.
27. emphasis If you say that something happens the moment something else happens, you are emphasizing that it happens immediately after the other thing. The moment I closed my eyes, I fell asleep.
28. spur of the moment: see:
spur.
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