# Definition of isometric in US English:

## isometric

• 1Of or having equal dimensions.

• ‘Mechanical activity was recorded on a polygraph via isometric transducers.’
• ‘The shape of an isometric animal is the same at all sizes.’
• ‘Development of the columnals is isometric so their shapes do not change with size and age.’
• ‘One obvious difference is the switch from a fixed isometric view to first-person.’
• ‘Mike started drawing algorithmic doodles for worms eating from an isometric grid (sometimes during lectures).’
• 2Physiology
Relating to or denoting muscular action in which tension is developed without contraction of the muscle.

• ‘Isometric tension should thus decrease because it is proportional to duty ratio.’
• ‘In vivo, the diaphragm does not perform maximum isometric contractions but shortens against a submaximal load.’
• ‘We did not use a tensiometer to measure the isometric power of the shoulder.’
• ‘The location of the most isometric clusters on the ulna were more variable.’
• ‘Have patients fully weight bearing as well as performing quadriceps isometric exercises while immobilized.’
• 3(in technical or architectural drawing) incorporating a method of showing projection or perspective in which the three principal dimensions are represented by three axes 120° apart.

• ‘Eakins taught perspective, mechanical drawing, and isometric drawing to his students at the Pennsylvania Academy using a manual that he wrote for the purpose but never published.’
• ‘Although the stitched textiles have physical presence, their intersecting linear passages function primarily as isometric drawing.’
• ‘Type Is at the command line to quickly shift cursors for isometric drawing views.’
• 4Mathematics
(of a transformation) without change of shape or size.

• ‘Based on the powers of Y and X, isometric exponents can be calculated and compared with the observed values.’
• ‘As previously, the isometric exponent for these relationships consists of 0.33.’
• ‘In isometric change, shape is constant at all sizes.’
• ‘The applet allows for experimentation with two other families of isometric curves.’
• ‘Codazzi also published on isometric lines, geodesic triangles and the stability of floating bodies.’

### Origin

Mid 19th century: from Greek isometria ‘equality of measure’ (from isos ‘equal’ + -metria ‘measuring’) + -ic.

## isometric

/ˌīsəˈmetrik//ˌaɪsəˈmɛtrɪk/