- Physics. of equal physical properties along all axes.Compare anisotropic(def 1).
- Zoology. lacking axes that are predetermined, as in some eggs.
Also i·sot·ro·pous [ahy-so-truh-puh s] /aɪˈsɒ trə pəs/.
Origin of isotropic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for isotropic
Both are adapted for determining the axes of elasticity and for the differentiation of isotropic and anisotropic bodies.Microscopes and Accessory Apparatus
Sometimes the phrases “isotropic tension” and “hydrostatic pressure” are used instead of “uniform” tension or pressure.
The relations between stress and strain in a material which is not isotropic are much more complicated.
For many years the luminiferous medium was identified with the isotropic solid of the theory of elasticity.
This is the “principle of least time” first formulated by Pierre de Fermat for the case of two isotropic substances.
- having uniform physical properties in all directions
- biology not having predetermined axesisotropic eggs
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 isotropic
Online Etymology Dictionary, © 2010 Douglas Harper
- Identical in all directions.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Identical in all directions; invariant with respect to direction. For example, isotropic scattering of light by a substance entails that the intensity of light radiated is the same in all directions. Compare anisotropic.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.