heartbeat

noun

heart·​beat ˈhärt-ˌbēt How to pronounce heartbeat (audio)
1
: one complete pulsation of the heart
2
: the vital center or driving impulse
3
: a brief space of time : flash
used chiefly in the phrase in a heartbeat

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
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
But doctors said her six-month fetus had a heartbeat and that Crain was fine to leave. Lizzie Presser and Kavitha Surana, CNN, 3 Nov. 2024 But doctors said her fetus had a heartbeat and that Crain was fine to leave. ProPublica, 2 Nov. 2024 In the first trimester, the fetus was not developing properly, and the heartbeat had diminished, but her doctor refused to intervene, Paseka told NBC News. Aria Bendix, NBC News, 31 Oct. 2024 Symptoms differ depending on the nutrient but generally include loss of appetite, irregular heartbeat (arrhythmia), muscle weakness, kidney failure, and even death in severe cases.8136912 Toxicity from food sources alone is rare. Amy Brownstein, Ms, Rdn, Verywell Health, 31 Oct. 2024 See all Example Sentences for heartbeat 

Word History

First Known Use

1850, in the meaning defined at sense 1

Time Traveler
The first known use of heartbeat was in 1850

Dictionary Entries Near heartbeat

Cite this Entry

“Heartbeat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heartbeat. Accessed 16 Nov. 2024.

Kids Definition

heartbeat

noun
heart·​beat ˈhärt-ˌbēt How to pronounce heartbeat (audio)
: a single contracting and expanding of the heart

Medical Definition

heartbeat

noun
heart·​beat ˈhärt-ˌbēt How to pronounce heartbeat (audio)
: one complete pulsation of the heart

More from Merriam-Webster on heartbeat

Last Updated: - Updated example sentences
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