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heart rate

American

[hahrt reyt] / ˈhɑrt ˌreɪt /

noun

the number of heartbeats per minute.

heart rate Scientific

The number of heartbeats per unit of time, usually expressed as beats per minute.

Etymology

Origin of heart rate

First recorded in 1870–75

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The two species also showed different hunting behaviors and heart rate patterns underwater.

From Science Daily • May 9, 2026

And it was infused in every answer, from my target heart rate on a walk to a mysterious symptom I’d ask about that was unrelated to cancer.

From Slate • May 6, 2026

How can a heart rate tracker help you?

From BBC • Apr. 30, 2026

The next, she was being rushed into emergency surgery, her daughter’s heart rate dropping precipitously on the fetal monitor.

From Los Angeles Times • Apr. 25, 2026

My heart rate still feels elevated; my chest, still pained.

From "Warcross" by Marie Lu

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023