Definitions of heartbeat
  1. noun
    the rhythmic contraction and expansion of the arteries with each beat of the heart
    synonyms: beat, pulsation, pulse
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    the widening of the chambers of the heart between two contractions when the chambers fill with blood
    the contraction of the chambers of the heart (especially the ventricles) to drive blood into the aorta and pulmonary artery
    pounding, throb, throbbing
    an instance of rapid strong pulsation (of the heart)
    a premature systole resulting in a momentary cardiac arrhythmia
    type of:
    periodic event, recurrent event
    an event that recurs at intervals
  2. noun
    a very short time (as the time it takes the eye to blink or the heart to beat)
  3. noun
    an animating or vital unifying force
    “New York is the commercial heartbeat of America”
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    type of:
    a powerful effect or influence
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