impulse
/ˈɪmpʌls/ noun, verb
Forms impulses impulsing impulsed
- noun A thrust; a push; a sudden force that impels.
- noun A wish or urge, particularly a sudden one prompting action. “The impulse to learn drove me to study night and day.”
- noun (physics) The integral of force over time. “The total impulse from the impact will depend on the kinetic energy of the projectile.”
- verb (transitive) To impel; to incite.
Synonyms
urge caprice whim nerve impulse nervous impulse neural impulse pulsation pulsing pulse impulsion impetus momentum
Etymology
Borrowed from Middle French impulser, from Latin impulsus.
Webster’s 1913
- noun The act of impelling, or driving onward with sudden force; impulsion; especially, force so communicated as to produced motion suddenly, or immediately.
- noun The effect of an impelling force; motion produced by a sudden or momentary force.
- verb To impel; to incite. [Obs.] Pope.
Etymology [L. impulsus, fr. impellere. See Impel.]
Etymology [See Impel.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “impulse”, CC BY-SA 4.0. Details