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heartbeat, beat, pulse, pulsation | the rhythmic contraction and expansion of the arteries with each beat of the heart | |
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heartbeat | an animating or vital unifying force | |
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instant, wink, split second, twinkling, flash, heartbeat, blink of an eye, jiffy, trice, New York minute | a very short time (as the time it takes the eye to blink or the heart to beat) |