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
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
The next day, "major red flags" began to emerge, including what Emily later learned was recessive breathing and a high heart rate.
From BBC • May 23, 2026
Maximum heart rate decreases 1% annually, and muscle mass is lost with age; strength training is crucial for older adults.
From Barron's • May 23, 2026
His heart rate sped up, a nervousness coursing through him, but when he saw how excitedly Javier was greeted, he figured that there wasn’t a need for him to worry.
From "Anger Is a Gift" by Mark Oshiro
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.
