impulse

English Dictionary -> Letter I -> impulse

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impulse Definition

• (n) an instinctive motive; "profound religious impulses"
• (n) a sudden desire; "he bought it on an impulse"
• (n) the electrical discharge that travels along a nerve fiber; "they demonstrated the transmission of impulses from the cortex to the hypothalamus"
• (n) (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"
• (n) the act of applying force suddenly; "the impulse knocked him over"
• (n) an impelling force or strength; "the car''s momentum carried it off the road"

impulse Synonyms

• caprice
• impetus
• impulse
• impulsion
• momentum
• nerve impulse
• pulsation
• pulse
• pulsing
• urge
• whim