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Noun impulse has 6 senses
  1. urge, impulse - an instinctive motive; "profound religious impulses"
    --1 is a kind of motivation, motive, need
    --1 has particulars:
     abience; adience; death instinct, death wish; wanderlust, itchy feet
  2. caprice, impulse, whim - a sudden desire; "he bought it on an impulse"
    --2 is a kind of desire
  3. nerve impulse, impulse - the electrical discharge that travels along a nerve fiber; "they demonstrated the transmission of impulses from the cortex to the hypothalamus"
    --3 is a kind of electrical discharge
    --3 has particulars: action potential
  4. pulsation, pulsing, pulse, 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"
    --4 is a kind of wave, undulation
  5. impulse, impulsion, impetus - the act of applying force suddenly; "the impulse knocked him over"
    --5 is a kind of drive, thrust, driving force
  6. momentum, impulse - an impelling force or strength; "the car's momentum carried it off the road"
    --6 is a kind of force, forcefulness, strength
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