definitions

# isometric

[ahy-suh-me-trik]
1. of, relating to, or having equality of measure.
2. of or relating to isometric exercise.
3. 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.
4. Prosody. of equal measure; made up of regular feet.
5. 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.Compare orthographic projection.
noun
1. isometrics,
2. an isometric drawing.
3. Also called isometric line. Physics.

## Origin of isometric

1830–40; < Greek isometr(ía) isometry + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Examples from the Web for isometric

### Historical Examples of isometric

• Isometric crystals, usually cubes with edges modified, are common.

Geology

William J. Miller

• Crystals of usually octahedral habit in the isometric system.

Geology

William J. Miller

• A chart—size 14x28 inches—showing in isometric perspective the mechanisms belonging in a modern boiler room.

Aviation Engines

Victor Wilfred Pag

• A new specially ruled paper to enable you to make sketches or drawings in isometric perspective without any figuring or fussing.

Aviation Engines

Victor Wilfred Pag

• Isometric projection enables one to show the length, breadth, and thickness of an object drawn to scale on the one drawing.

British Dictionary definitions for isometric

## isometric

1. having equal dimensions or measurements
2. physiol of or relating to muscular contraction that does not produce shortening of the muscle
3. (of a crystal or system of crystallization) having three mutually perpendicular equal axes
4. crystallog another word for cubic (def. 4)
5. prosody having or made up of regular feet
6. (of a method of projecting a drawing in three dimensions) having the three axes equally inclined and all lines drawn to scale
noun
1. Also called: isometric drawing a drawing made in this way
2. Also called: isometric line a line on a graph showing variations of pressure with temperature at constant volume

## Word Origin for isometric

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

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

isometric in Medicine

## isometric

[ī′sə-mĕtrĭk]
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.