heartbeat

[ hahrt-beet ]
/ ˈhɑrtˌbit /

noun Physiology.

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

RELATED WORDS

Origin of heartbeat

First recorded in 1840–50; heart + beat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for heartbeat

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

Word Origin and History for heartbeat

heartbeat


n.

1850, from heart + beat (n.). From the beginning used as a figure for "a very brief time."

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine 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.