IMPULSE

(noun) the act of applying force suddenly
"the impulse knocked him over"
synonyms : impetus , impulsion
(noun) an impelling force or strength
"the car's momentum carried it off the road"
synonyms : momentum
(noun) the electrical discharge that travels along a nerve fiber
"they demonstrated the transmission of impulses from the cortex to the hypothalamus"
synonyms : nerve impulse , nervous impulse , neural impulse
(noun) (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
He plugged the equipment into a standard electrical socket in order to emit an ultrasonic sound and an electromagnetic pulse. -added by naila_inlas
(noun) a sudden desire
"he bought it on an impulse"
synonyms : caprice , whim
Many empires have fallen due to the actions that the kings or emperors take, without thinking, succumbing to caprice. -added by Aswathy_inlas
(noun) an instinctive motive
"profound religious impulses"
synonyms : urge

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