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impulse 音標拼音: ['ɪmpəls] [ɪmp'ʌls] n. 沖動,驅使,刺激,推動,沖力,脈沖
vt. 推動 沖動,驅使,刺激,推動,沖力,脈沖推動 impulse 脈衝 impulse n 1: an instinctive motive; "profound religious impulses" [synonym: {urge}, {impulse}] 2: a sudden desire; "he bought it on an impulse" [synonym: {caprice}, {impulse}, {whim}] 3: the electrical discharge that travels along a nerve fiber; "they demonstrated the transmission of impulses from the cortex to the hypothalamus" [synonym: {nerve impulse}, {nervous impulse}, {neural impulse}, {impulse}] 4: (electronics) a sharp transient wave in the normal electrical state (or a series of such transients); "the pulsations seemed to be coming from a star" [synonym: {pulsation}, {pulsing}, {pulse}, {impulse}] 5: the act of applying force suddenly; "the impulse knocked him over" [synonym: {impulse}, {impulsion}, {impetus}] 6: an impelling force or strength; "the car's momentum carried it off the road" [synonym: {momentum}, {impulse}] Impulse \Im*pulse"\, v. t. [See {Impel}.] To impel; to incite. [Obs.] --Pope. [1913 Webster] Impulse \Im"pulse\, n. [L. impulsus, fr. impellere. See {Impel}.] [1913 Webster] 1. The act of impelling, or driving onward with sudden force; impulsion; especially, force so communicated as to produced motion suddenly, or immediately. [1913 Webster] All spontaneous animal motion is performed by mechanical impulse. --S. Clarke. [1913 Webster] 2. The effect of an impelling force; motion produced by a sudden or momentary force. [1913 Webster] 3. (Mech.) The action of a force during a very small interval of time; the effect of such action; as, the impulse of a sudden blow upon a hard elastic body. [1913 Webster] 4. A mental force which simply and directly urges to action; hasty inclination; sudden motive; momentary or transient influence of appetite or passion; propension; incitement; as, a man of good impulses; passion often gives a violent impulse to the will; to buy something on impulse. [1913 Webster PJC] These were my natural impulses for the undertaking. --Dryden. Syn: Force; incentive; influence; motive; feeling; incitement; instigation. [1913 Webster] 81 Moby Thesaurus words for "impulse":
actuation, archetypal pattern, archetype, atomic power, automatic writing, automatism, blind impulse, catalyst, collective unconscious, compulsion, compulsiveness, conditioning, constraint, drive, echolalia, echopraxia, electric power, electropower, excitant, exigency, forwardness, goad, haste, hastiness, horsepower, hydraulic power, hydroelectric power, id, impetus, impulsion, impulsiveness, inborn proclivity, incentive, incitation, incitement, instinct, instinctiveness, involuntariness, jet power, libido, lust, manpower, motivation, natural instinct, natural tendency, nuclear power, overhastiness, passion, pinch, piston power, precipitation, precociousness, precocity, prematureness, prematurity, press, pressure, primitive self, propulsion, push, rash impulse, reflex action, rocket power, rush, sheer chemistry, solar power, spur, steam power, stimulant, stress, subconscious urge, thermonuclear power, thrust, unlearned capacity, unreasoning impulse, untimeliness, unwilledness, urge, urgency, vital impulse, water power
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