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pulse

noun
  1. the rhythmic contraction and expansion of the arteries with each beat of the heart
    beat
  2. (electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
    impulse
  3. edible seeds of various pod-bearing plants (peas or beans or lentils etc.)
  4. the rate at which the heart beats
    pulse rateheart rate
verb
  1. produce or modulate (as electromagnetic waves) in the form of short bursts or pulses or cause an apparatus to produce pulses
    “pulse waves”
    pulsate
  2. expand and contract rhythmically
    throbpulsate
  3. drive by or as if by pulsation
    “A soft breeze pulsed the air”