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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.

Other Word Forms

Noun Inflected Forms

heart rates

plural

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.

See Examples For:

heart rate

The Johns Hopkins researchers studied miniature models of the hindbrain, a region at the back of the skull that helps control essential functions such as breathing, sleep and heart rate.

From Science Daily ● Jul. 22, 2026

Saleh’s blood pressure was high, however, and the baby’s heart rate kept dropping.

From Los Angeles Times ● Jul. 9, 2026

This can lead to increased heart rate, shortness of breath, dehydration, and quicker and more intense fatigue.

From BBC ● Jul. 5, 2026

“What I think I love the most about it is I just get out there and my heart rate drops about 25%,” he said.

From MarketWatch ● Jul. 1, 2026

Reyna got the uncomfortable impression he was seeing much more than her form - her heat signature, her heart rate, her level of fear.

From "Blood of Olympus" by Rick Riordan

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