#1
impulse n. [
urge] an instinctive motive; "profound religious impulses"
. wn #2
impulse n. [
caprice, whim] a sudden desire; "he bought it on an impulse"
. wn #3
impulse n. [
nerve impulse, nervous impulse, neural impulse] the electrical discharge that travels along a nerve fiber; "they demonstrated the transmission of impulses from the cortex to the hypothalamus"
. wn #4
impulse n. [
pulsation, pulsing, pulse] (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"
. wn #5
impulse n. [
impulsion, impetus] the act of applying force suddenly; "the impulse knocked him over"
. wn