Dictionary.com

heartbeat

[ hahrt-beet ]
/ ˈhɑrtˌbit /
Save This Word!

Definition of heartbeat

noun Physiology.
a pulsation of the heart, including one complete systole and diastole.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?

Origin of heartbeat

First recorded in 1840–50; heart + beat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use heartbeat in a sentence

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.
FEEDBACK