Biology The occurrence of different forms, stages, or types in individual organisms or in organisms of the same species, independent of sexual variations.
Chemistry Crystallization of a compound in at least two distinct forms. Also called pleomorphism.
Main Entry: poly·mor·phous Pronunciation: -'mor-f&s Function: adjective : having, assuming, or occurring in various forms :POLYMORPHIC <polymorphous skin rashes> —poly·mor·phous·lyadverb