isometric

adjective

iso·​met·​ric ˌī-sə-ˈme-trik 

1

: of, relating to, or characterized by equality of measure

especially : relating to or being a crystallographic system characterized by three equal axes at right angles

2

: of, relating to, involving, or being muscular contraction (as in isometrics) against resistance, without significant shortening of muscle fibers, and with marked increase in muscle tone compare isotonic

isometrically

ˌī-sə-ˈme-tri-k(ə-)lē 

adverb

Examples of isometric in a Sentence

Recent Examples on the Web

Research shows that three to four sets of two-minute isometric holds with short rests in between can meaningfully reduce blood pressure.1 How to Add Isometric Training to Your Routine Current guidance for managing high blood pressure centers on regular physical activity. —Laura Hensley, Verywell Health, 31 Oct. 2025

Now, people may wonder if plyometrics are an isometric exercise technique. —Jenny McCoy, SELF, 24 Oct. 2025

By contrast, the bright SVGA colors, angular hills, flowing waterfalls, and isometric skyscrapers of SimCity 2000 felt, at the time, like the future implied by its title. —Kyle Orland, ArsTechnica, 17 Sep. 2025

Split squat isometric hold Activate your core and engage your glutes. —Andy Fata-Chan, CNBC, 22 Aug. 2025

Word History

First Known Use

circa 1855, in the meaning defined at sense 1

Phrases Containing isometric

• isometric line

Rhymes for isometric

• allometric
• asymmetric
• barometric
• bathymetric
• biometric
• coulometric
• cytometric
• geometric
• gravimetric
• manometric
• morphometric
• nonsymmetric

Kids Definition

isometric

adjective

iso·​met·​ric ˌī-sə-ˈme-trik 

: of, relating to, or being muscular contraction of the kind that takes place in doing isometrics

Medical Definition

isometric

adjective

iso·​met·​ric ˌī-sə-ˈme-trik 

1

: of, relating to, or characterized by equality of measure

especially : relating to or being a crystallographic system characterized by three equal axes at right angles

2

: of, relating to, involving, or being muscular contraction (as in isometrics) against resistance, without significant change of length of muscle fibers, and with marked increase in muscle tone compare isotonic sense 2

3

: isovolumetric

isometrically

-tri-k(ə-)lē 

adverb