impulsion

n. 冲动, 冲击, 原动力, 推动 [医] 冲动, 癖

发音

US

词形变化

impulsions 复数 impulsions

释义与例句

n.
  1. 1.

    The act of impelling or driving onward, or the state of being impelled; the sudden or momentary agency of a body in motion on another body; also, the impelling force, or impulse.

    可数 不可数
  2. 2.

    Influence acting unexpectedly or temporarily on the mind; sudden motive or influence; impulse.

    可数 不可数

词汇关系

名词

同义词 3

drift impulse impetus

上位词 4

drive force thrust driving force

词源

From Middle English impulsioun, from Old French impulsion, from Latin impulsio, impulsionem.

来源：wiktionary