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单词 momentum
释义 mo·men·tum
\mōˈmentəm also məˈ-\ noun
(plural momen·ta \-tə\ ; also momentums)
Etymology: Latin, motion — more at moment
1. : a property of a moving body that determines the length of time required to bring it to rest when under the action of a constant force or moment — see angular momentum, linear momentum
2. : moment 7
 < a momentum in the spiritual relations of him and God — A.B.Davidson >
3.
 a. : the force of motion acquired by a moving body as a result of the continuance of its motion : impetus — not used technically
  < steps took him to the door … so neatly that he was able to seize the handle and enter without losing momentum — Robertson Davies >
  < still he galloped, and with a velocity and momentum continually increasing — William Cowper >
 b. : something held to resemble such force of motion of a moving body
  < the … music not only lacks passion; it even lacks momentum of any sort — Winthrop Sargeant >
  < the conspiracy gained momentum and direction — R.C.Doty >
  < moved along by the momentum of events — Norman Cousins >
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更新时间:2025/3/22 15:28:11