单词 | impetus |
释义 | Word Frequency impetus(ˈɪmpɪtəs) nounWord forms: plural -tuses 1. an impelling movement or force; incentive or impulse; stimulus 2. physics the force that sets a body in motion or that tends to resist changes in a body's motion Word origin C17: from Latin: attack, from impetere to assail, from im- (in) + petere to make for, seek out |
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