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impetus

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Merriam-Webster's Collegiate Dictionaryim·pe·tus \ˈim-pə-təs\ noun ETYMOLOGY Latin, assault, impetus, from impetere to attack, from in- + petere to go to, seek — more at feather DATE 16411. a. (1) a driving force : impulse (2) incentive, stimulus b. stimulation or encouragement resulting in increased activity2. the property possessed by a moving body in virtue of its mass and its motion — used of bodies moving suddenly or violently to indicate the origin and intensity of the motionEnglish Etymologyimpetus 1641, from L. impetus "attack, assault, onset, impulse, violence, vigor, force, passion," related to impetere "to attack," from in-"into" + petere "aim for, rush at" (see petition).Oxford Advanced Learner's Dictionary-牛津双解-OALD7impetusim·petus / 5impitEs / noun1. [U, sing.] ~ (for sth) | ~ (to sth / to do sth) something that encourages a process or activity to develop more quickly 动力；推动；促进；刺激 SYN stimulus : to give (a) new / fresh impetus to sth 给某事物以新的推进力 The debate seems to have lost much of its initial impetus. 辩论会似乎没有开始时那么大的冲劲了。 His articles provided the main impetus for change. 他的那些文章是促进变革的主要推动力。 2. [U] (technical 术语) the force or energy with which sth moves 动量；动力；惯性Oxford Collocations Dictionary for Students of EnglishOxford Collocations dictionary for students of Englishimpetus noun ADJ. considerable, great, powerful, strong | main, major | immediate, initial, original | fresh, new, renewed Each new rumour added fresh impetus to the smear campaign. | added, extra, further | necessary His disappointment in the World Championships provided the necessary impetus to give everything for this final race. VERB + IMPETUS add, give sb/sth, provide (sb/sth with) The slope added impetus to his speed. | gain, gather, receive The movement is steadily gaining impetus. | lose With the death of its founder, the campaign lost much of its impetus. IMPETUS + VERB come from sth Much of the impetus for change came from customers' opinions. PREP. ~ behind sb/sth The main impetus behind the move west was to find gold and other minerals. | ~ for the impetus for arms control agreements | ~ towards the impetus towards urban development Merriam-Webster's Collegiate Thesaurus-11th Editionn. Function: noun Synonyms: STIMULUS, catalyst, goad, impulse, incentive, incitation, incitement, motivation, spur, stimulantWebster's Third New International Dictionary, Unabridgedim·pe·tus\ˈimpəd.əs, -pətəs\ noun(-es)Etymology: Latin, attack, assault, impetus, from impetere to attack, from in- in- (II) + petere to go to or toward, rush at, attack, seek — more at feather1. a. (1) : a driving or impelling force < trying to discover the impetus behind all this activity > : impulse < an intermittent force, each impetus being of only the shortest duration > (2) : incentive, stimulus < felt no impetus to do well in school > b. : stimulation or encouragement resulting in increased activity < gave a good deal of impetus to the musical activity of the city >2. : the property possessed by a moving body in virtue of its mass and its motion — used of bodies moving suddenly or violently to indicate the origin and intensity of the motion rather than the quantity or effectiveness

Impetus From Activity Noun To Attack Moving Dictionary