Impulse

Definition of Impulse

Im`pulse´
n.1.
1.The act of impelling, or driving onward with sudden force; impulsion; especially, force so communicated as to produced motion suddenly, or immediately.
All spontaneous animal motion is performed by mechanical impulse.
- S. Clarke.
2.The effect of an impelling force; motion produced by a sudden or momentary force.
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.
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.
These were my natural impulses for the undertaking.
- Dryden.
v. t.1.To impel; to incite.

Related Words

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