[ trahy-mawr-fiz-uh m ]
/ traɪˈmɔr fɪz əm /


Zoology. the occurrence of three forms distinct in structure, coloration, etc., among animals of the same species.
Botany. the occurrence of three different forms of flowers, leaves, etc., on the same plant or on distinct plants of the same species.
Crystallography. the property of some substances of crystallizing in three structurally distinct forms.
the property or condition of occurring in three distinct forms.


Can You Ace This Quiz About “Compliment” vs. “Complement”?
Take this quiz to see if you really know the difference between “compliment” and “complement"!
Question 1 of 11
“Compliment” and “complement” had a shared meaning a long time ago, but today they are no longer interchangeable.

Origin of trimorphism

1855–60; < Greek trímorph(os) of three forms (see tri-, -morph) + -ism

OTHER WORDS FROM trimorphism

tri·mor·phic, tri·mor·phous, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for trimorphism

  • There are, also, cases of dimorphism and trimorphism, both with animals and plants.

British Dictionary definitions for trimorphism

/ (traɪˈmɔːfɪzəm) /


biology the property exhibited by certain species of having or occurring in three different forms
the property of certain minerals of existing in three crystalline forms

Derived forms of trimorphism

trimorphic or trimorphous, adjective

Word Origin for trimorphism

C19: from Greek trimorphos (from tri- + morphē form) + -ism
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