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[ahy-suh-me-trik] /ˌaɪ səˈmɛ trɪk/
adjective, Also, isometrical
of, relating to, or having equality of measure.
of or relating to isometric exercise.
Crystallography. noting or pertaining to that system of crystallization that is characterized by three equal axes at right angles to one another.
Compare crystal system.
Prosody. of equal measure; made up of regular feet.
Drafting. designating a method of projection (isometric projection) in which a three-dimensional object is represented by a drawing (i·somet·ric draw·ing) having the horizontal edges of the object drawn usually at a 30° angle and all verticals projected perpendicularly from a horizontal base, all lines being drawn to scale.
isometrics, isometric exercise (def 1).
an isometric drawing.
Also called isometric line. Physics. isochore (def 1).
Origin of isometric
1830-40; < Greek isometr(ía) isometry + -ic
Related forms
isometrically, adverb
pseudoisometric, adjective
unisometrical, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for isometric
  • isometric exercises also strengthen muscles supporting the foot.
  • For isometric exercises, he would push against the cell wall or grip a towel.
  • But she really likes games where she can control characters from an isometric view.
  • isometric contractions do not change the length of the muscle.
  • Perform isometric exercises to encourage circulation.
  • The press release description is spot-on, since the game is an isometric shooter with some defensive strategy elements.
  • Fearing deep-vein thrombosis on such long flights, doctors teach the crews isometric exercises to perform in the cramped space.
British Dictionary definitions for isometric


having equal dimensions or measurements
(physiol) of or relating to muscular contraction that does not produce shortening of the muscle
(of a crystal or system of crystallization) having three mutually perpendicular equal axes
(crystallog) another word for cubic (sense 4)
(prosody) having or made up of regular feet
(of a method of projecting a drawing in three dimensions) having the three axes equally inclined and all lines drawn to scale
Also called isometric drawing. a drawing made in this way
Also called isometric line. a line on a graph showing variations of pressure with temperature at constant volume
Derived Forms
isometrically, adverb
Word Origin
C19: from Greek isometria (see iso- + -metry) + -ic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for isometric

1838, literally "of the same measure," coined from Greek isos "equal" (see iso-) + metron "measure" (see meter (n.2)). Originally a method of using perspective in drawing; the physiological sense relating to muscular action is from 1891, from German isometrisch in this sense (1882).

Online Etymology Dictionary, © 2010 Douglas Harper
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isometric in Medicine

isometric i·so·met·ric (ī'sə-mět'rĭk)

  1. Of or exhibiting equality in dimensions or measurements.

  2. Of, relating to, or being a crystal system of three equal axes lying at right angles to each other.

  3. Of or involving muscular contraction against resistance in which the length of the muscle remains the same.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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isometric in Science
  1. See cubic.

  2. Of or involving muscular contraction against resistance in which the length of the muscle remains the same.

  3. A graph showing the relationship between two quantities, such as pressure and temperature, when a third quantity, such as volume, is held constant.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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