heart rate
Americannoun
Other Word Forms
Noun Inflected Forms
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.
Featuring a built-in biometric sensor based on heart rate, these blackout sleep goggles are meant to help relax even the most harried dad.
From The Wall Street Journal • Jun. 12, 2026
She had an emergency caesarean because her baby's heart rate kept slowing down during labour.
From BBC • Jun. 4, 2026
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
Crashing the gate barely raised my resting heart rate.
From "Dry" by Neal Shusterman and Jarrod Shusterman
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.
