Mitscherlich law of isomorphism

Mitscherlich law of isomorphism

[′mich·ər‚lik ¦lȯ əv ¦ī·sō′mȯr‚fiz·əm]
(chemistry)
Substances which have similar chemical properties and crystalline forms usually have similar chemical formulas.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.