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heartbeat

[ hahrt-beet ]
/ ˈhɑrtˌbit /
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noun Physiology.

a pulsation of the heart, including one complete systole and diastole.

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Origin of heartbeat

First recorded in 1840–50; heart + beat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for heartbeat

heartbeat
/ (ˈhɑːtˌbiːt) /

noun

one complete pulsation of the heartSee diastole, systole
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for heartbeat

heartbeat
[ härtbēt′ ]

n.

A single complete pulsation of the heart.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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