Impulse

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.

Noun	1.	impulse - an instinctive motive; "profound religious impulses" Synonyms: urge
	2.	impulse - a sudden desire; "he bought it on an impulse" Synonyms: caprice, whim
	3.	impulse - the electrical discharge that travels along a nerve fiber; "they demonstrated the transmission of impulses from the cortex to the hypothalamus" Synonyms: nerve impulse
	4.	impulse - (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" Synonyms: pulsation, pulse, pulsing
	5.	impulse - the act of applying force suddenly; "the impulse knocked him over" Synonyms: impetus, impulsion
	6.	impulse - an impelling force or strength; "the car's momentum carried it off the road" Synonyms: momentum

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