Differing from the normal type.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for heteromorphous
Historical Examples of heteromorphous
Heteromorphous: the metamorphosis complete, in abrupt stages, the larva unlike the adult.Explanation of Terms Used in Entomology
John. B. Smith