Isomorphism between crystalline forms of two dimorphic substances.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Chemistry) a property of a dimorphous substance such that it is isomorphous with another dimorphous substance in both its forms
ˌisodiˈmorphous, ˌisodiˈmorphic adj
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