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Noun: heartbeat  'haa(r)t,beet
  1. The rhythmic contraction and expansion of the arteries with each beat of the heart
    - pulse, pulsation, beat
     
  2. A very short time (as the time it takes the eye to blink or the heart to beat)
    "if I had the chance I'd do it in a heartbeat";
    - blink of an eye, flash, instant, jiffy, split second, trice, twinkling, wink, New York minute [US], jiff
     
  3. An animating or vital unifying force
    "New York is the commercial heartbeat of America"

Derived forms: heartbeats

Type of: bit, force, minute, mo, moment, periodic event, recurrent event, second

Encyclopedia: Heartbeat, It's a Lovebeat