momentとは

発音

• (Received 発音) IPA^(key): /ˈməʊmənt/
• (General American) IPA^(key): /ˈmoʊmənt/
• ハイフネーション: mo‧ment

名詞

moment (countable かつ uncountable, 複数形 moments)

1. A brief, unspecified amount of time.

   Wait a moment, while I lock the front door.

   • 1898, Winston Churchill, chapter 5, in The Celebrity:

     Then came a maid with hand-bag and shawls, and after her a tall young lady. She stood for a moment holding her skirt above the grimy steps, […] , and the light of the reflector fell full upon her.

   • 1922, Ben Travers, chapter 6, in A Cuckoo in the Nest:

     Sophia broke down here. Even at this moment she was subconsciously comparing her rendering of the part of the forlorn bride with Miss Marie Lohr's.

   • 2013 June 14, Sam Leith, “Where the profound meets the profane”, in The Guardian Weekly, volume 189, number 1, page 37:

     Swearing doesn't just mean what we now understand by "dirty words". It is entwined, in social and linguistic history, with the other sort of swearing: vows and oaths. Consider for a moment the origins of almost any word we have for bad language – "profanity", "curses", "oaths" and "swearing" itself.

2. The smallest portion of time; an instant.
   • 1918, W. B. Maxwell, chapter 5, in The Mirror and the Lamp:

     Here, in the transept and choir, where the service was being held, one was conscious every moment of an increasing brightness; colours glowing vividly beneath the circular chandeliers, and the rows of small lights on the choristers' desks flashed and sparkled in front of the boys' faces, deep linen collars, and red neckbands.

3. Weight or importance.
   • 1597, William Shakespeare, Richard III, 3,7,67:

     In deep designs, in matter of great moment, / No less importing than our general good.

   • 1904, Arthur Conan Doyle, The Adventure of the Second Stain, (Norton 2005, p.1192)

     The document in question is of such immense importance that its publication might very easily – I might almost say probably – lead to European complications of the utmost moment.

4. (physics, mechanics) The turning effect of a force applied to a rotational system at a distance from the axis of rotation. Also called moment of force.
5. (historical) A definite period of time, specifically one-tenth of a point, or one-fortieth or one-fiftieth of an hour.
6. (informal) A petit mal episode; such a spell.
7. (colloquial) A fit, a short-duration tantrum, a hissy.
8. (mathematics) An infinitesimal change in a varying quantity; an increment or decrement.
9. (mathematics) A quantitative measure of the shape of a set of points.

   If the points represent mass, then the zeroth moment is the total mass, the first moment divided by the total mass is the center of mass, and the second moment is the rotational inertia.

同意語

• (brief span of time): stound, instant, trice
• (physics): moment of force

派生語

関連する語

• torque

参照

• 1897 Universal Dictionary of the English Language, v 3 p 3174. ("The smallest portion of time; an instant." is a direct quote from this Dictionary.)

Further reading

• moment on Wikipedia.

アナグラム

• montem