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Word: heartbeat
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Meaning:
Noun:
- A driving impulse or vital force.
- A very short space of time; an instant.
- computing A periodic signal generated by hardware or software to indicate normal operation or to synchronize other parts of a system.
- One pulsation of the heart; especially an irregular one, hence the emotion which causes it.
- The rhythm at which a heart pulsates, a cardiac indicator
Source: Wiktionary
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