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Heartbeat

//ˈhɑɹtˌbit// noun

Definitions

Noun
  1. 1
    One pulsation of the heart; especially an irregular one, hence the emotion which causes it.

    "The policeman waited for a heartbeat in vain."

  2. 2
    an animating or vital unifying force wordnet
  3. 3
    The rhythm at which a heart pulsates, a cardiac indicator.

    "If your heartbeat doesn't normalize soon, consult a doctor!"

  4. 4
    the rhythmic contraction and expansion of the arteries with each beat of the heart wordnet
  5. 5
    A driving impulse or vital force; the vital center of something.

    "Music is the heartbeat of the people."

Show 3 more definitions
  1. 6
    a very short time (as the time it takes the eye to blink or the heart to beat) wordnet
  2. 7
    A very short space of time; an instant.

    "The ambulance arrived in a heartbeat."

  3. 8
    A periodic signal generated by hardware or software to indicate normal operation or to synchronize other parts of a system.

Etymology

From heart + beat.

See also for "heartbeat"

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