heartbeat
noun
heart·beat
ˈhärt-ˌbēt 
Examples of heartbeat in a Sentence
The patient had a rapid heartbeat.
I'd accept a job offer from that company in a heartbeat.
Recent Examples on the Web
Digoxin Digoxin is used to treat heart failure and certain types of irregular heartbeats.
—
Jessica Swirble, Verywell Health, 5 Jan. 2026
World-first findings on coffee and irregular heartbeat University of Adelaide and University of California, San Francisco (UCSF) researchers led a randomized clinical trial of 200 adults from Australia, the US and Canada with atrial fibrillation (AF) to test coffee's impact on irregular heartbeats.
—New Atlas, 2 Jan. 2026
Indiana senior linebacker Aiden Fisher, the heartbeat of the Hoosiers’ defense with 75 tackles and a pair of interceptions despite injuries this season, has seen that outside-of-the-box mentality of small programs since starting his career at James Madison with Cignetti.
—Benjamin Royer, Oc Register, 31 Dec. 2025
In the joint announcement post, the couple shared a few snaps from their pregnancy photo shoot on the beach, as well as a picture of the sonogram and a video of the baby's heartbeat.
—Kayla Grant, PEOPLE, 31 Dec. 2025
See All Example Sentences for heartbeat
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Jessica Swirble, Verywell Health, 5 Jan. 2026
World-first findings on coffee and irregular heartbeat University of Adelaide and University of California, San Francisco (UCSF) researchers led a randomized clinical trial of 200 adults from Australia, the US and Canada with atrial fibrillation (AF) to test coffee's impact on irregular heartbeats.
—New Atlas, 2 Jan. 2026
Indiana senior linebacker Aiden Fisher, the heartbeat of the Hoosiers’ defense with 75 tackles and a pair of interceptions despite injuries this season, has seen that outside-of-the-box mentality of small programs since starting his career at James Madison with Cignetti.
—Benjamin Royer, Oc Register, 31 Dec. 2025
In the joint announcement post, the couple shared a few snaps from their pregnancy photo shoot on the beach, as well as a picture of the sonogram and a video of the baby's heartbeat.
—Kayla Grant, PEOPLE, 31 Dec. 2025
See All Example Sentences for heartbeat
Cite this Entry
“Heartbeat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heartbeat. Accessed 6 Jan. 2026.
Copy CitationKids Definition
heartbeat
noun
heart·beat
ˈhärt-ˌbēt
: a single contracting and expanding of the heart
Medical Definition
heartbeat
noun
heart·beat
ˈhärt-ˌbēt
: one complete pulsation of the heart
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