SINCE 1828
heart rate
nounDefinition of heart rate
: the rate at which the heart beats
Aerobic exercise increases your heart rate.
Keep scrolling for more
Comments on heart rate
What made you want to look up heart rate? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Original Meanings Quiz
-
- Which of the following is the earliest known sense of the word awe?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
-
Original Meanings Quiz
A quiz for the pedantic and those annoyed by them!
Take the quiz -
A Green Quiz
How many questions can you answer about the word "green"?
Take the quiz -
Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz -
Add Diction
Build a chain of words by adding one letter at a time.
Play the game
Share heart rate
Resources for heart rate