[ pol-ee-mawrf ]
/ ˈpɒl iˌmɔrf /


Biology. an organism having more than one adult form, as the different castes in social ants.
Crystallography. any of the crystal forms assumed by a substance that exhibits polymorphism.
Anatomy. granulocyte.

Origin of polymorph

1820–30; < Greek polýmorphos; see poly-, -morph

Related forms

pol·y·mor·phic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for polymorphic

British Dictionary definitions for polymorphic


/ (ˈpɒlɪˌmɔːf) /


a species of animal or plant that exhibits polymorphism
any of the crystalline forms of a chemical compound that exhibits polymorphism
Also called: polymorphonuclear leucocyte any of a group of white blood cells that have lobed nuclei and granular cytoplasm and function as phagocytes; they include neutrophils, basophils, and eosinophils

Word Origin for polymorph

C19: from Greek polumorphos having many forms
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