Noun
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| heartbeat -
an animating or vital unifying force; "New York is the commercial heartbeat of America"
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| heartbeat -
the rhythmic contraction and expansion of the arteries with each beat of the heart; "he could feel the beat of her heart"
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pulse,
pulsation,
beat |
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periodic event,
recurrent event an event that recurs at intervals
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diastole the widening of the chambers of the heart between two contractions when the chambers fill with blood
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systole the contraction of the chambers of the heart (especially the ventricles) to drive blood into the aorta and pulmonary artery
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| heartbeat -
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 flash"
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blink of an eye,
flash,
instant,
jiffy,
split second,
trice,
twinkling,
wink,
New York minute |
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mo,
minute,
moment,
second,
bit a short note; "the secretary keeps the minutes of the meeting"
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