Definify.com

Webster 1913 Edition

Noun.

[See

(Crystallog.)

A substance which crystallizes in three distinct forms, or which has three distinct physical states; also, any one of these distinct forms. See

, 1.

trimorph ‎(plural trimorphs)

(crystallography) A substance which crystallizes in three distinct forms, or which has three distinct physical states.
(crystallography) Any of the three forms of such a substance.