Dictionary
ple•o•mor•phism
Pronunciation: (plē"u-môr'fiz-um), [key]—
n. Biol.
existence of an organism in two or more distinct forms during the life cycle; polymorphism.
Also,ple'o•mor"phy.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.