iso·​met·​rics | \ ˌī-sə-ˈme-triks How to pronounce isometrics (audio) \

Definition of isometrics

: exercise or a system of exercises in which opposing muscles are so contracted that there is little shortening but a great increase in tone of muscle fibers involved

First Known Use of isometrics

1962, in the meaning defined above

Keep scrolling for more

Learn More about isometrics

Statistics for isometrics

Look-up Popularity

Time Traveler for isometrics

The first known use of isometrics was in 1962

See more words from the same year

Keep scrolling for more

More Definitions for isometrics



English Language Learners Definition of isometrics

: exercises in which muscles are made stronger by pushing against other muscles or against something that does not move
iso·​met·​rics | \ ˌī-sə-ˈme-triks How to pronounce isometrics (audio) \

Medical Definition of isometrics

: isometric exercise or an isometric system of exercises

Keep scrolling for more

More from Merriam-Webster on isometrics

Rhyming Dictionary: Words that rhyme with isometrics

Spanish Central: Translation of isometrics

Nglish: Translation of isometrics for Spanish Speakers

Comments on isometrics

What made you want to look up isometrics? Please tell us where you read or heard it (including the quote, if possible).


to move with exaggerated bouncy motions

Get Word of the Day daily email!

Test Your Vocabulary

Finance Words Quiz

  • a-piggy-bank
  • The etymology of mortgage is related most closely to which two words?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!