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English to English noun
| 1 |
the rhythmic contraction and expansion of the arteries with each beat of the heart |  | Example: he could feel the beat of her heart
source: wordnet30
| 2 |
a very short time (as the time it takes the eye to blink or the heart to beat) | | Example: if I had the chance I'd do it in a flash
source: wordnet30
| 3 |
an animating or vital unifying force | | Example: New York is the commercial heartbeat of America
source: wordnet30
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