heart rate
Americannoun
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.
Several can detect car crashes or spikes in heart rate as a result of tachycardia, along with such conditions as atrial fibrillation and sleep apnea.
From MarketWatch • May 28, 2026
A slowing heart rate isn’t the only factor.
From Barron's • May 23, 2026
The company’s rings track metrics such as heart rate and skin temperature, and are intended to help improve sleep and reduce stress.
From The Wall Street Journal • May 21, 2026
If you use a heart rate monitor, researchers say your heart rate should reach about 85 percent of your maximum.
From Science Daily • May 16, 2026
Fig’s heart rate was normal, even on the low end, just like a relaxed cat’s.
From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.