Impulse (noun) Definition, Meaning & Examples

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noun
  1. the influence of a particular feeling, mental state, etc.: to act under a generous impulse; to strike out at someone from an angry impulse.
  2. sudden, involuntary inclination prompting to action: to be swayed by impulse.
  3. an instance of this.
  4. a psychic drive or instinctual urge.
  5. an impelling action or force, driving onward or inducing motion.
  6. the effect of an impelling force; motion induced; impetus given.
  7. a progressive wave of excitation over a nerve or muscle fiber, having either a stimulating or inhibitory effect.
  8. the product of the average force acting upon a body and the time during which it acts, equivalent to the change in the momentum of the body produced by such a force.
  9. a single, usually sudden, flow of current in one direction.
adjective
  1. marked by or acting on impulse: an impulse buyer.
  2. bought or acquired on impulse: To reduce expenses, shun impulse items when shopping.
noun
  1. an impelling force or motion; thrust; impetus
  2. a sudden desire, whim, or inclination
  3. an instinctive drive; urge
  4. tendency; current; trend
  5. physics
    • the product of the average magnitude of a force acting on a body and the time for which it acts
    • the change in the momentum of a body as a result of a force acting upon it for a short period of time
  6. physiol See nerve impulse
  7. electronics a less common word for pulse 1 (def. 2)
  8. spontaneously or impulsively
    Impulse (noun) Definition, Meaning & Examples

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