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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.

“VO2 max” is a health measurement that suggests how fit you are based on metrics like heart rate during activity.

From The Wall Street Journal • Apr. 4, 2026

This area, called the lateral parafacial region, is located in the brainstem, the oldest part of the brain responsible for automatic functions like breathing, digestion, and heart rate.

From Science Daily • Mar. 22, 2026

Monitors tracked her heart rate and blood pressure.

From The Wall Street Journal • Mar. 17, 2026

Nighttime blood pressure decreased by 3.5%, and heart rate dropped by 5%.

From Science Daily • Feb. 15, 2026

The second group, the people who were acting, showed the same physiological responses, the same heightened heart rate and body temperature, as the first group.

From "Blink" by Malcolm Gladwell

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