D defs.my
Entry 1 sense Webster, 1913

Polymorph

/päl'-ēmˌ-ôrfˌ/ · Pol·y·morph · IPA /pˈɑlˌiːmˌɔrf/
01 n. A substance capable of crystallizing in several distinct forms; also, any one of these forms. Cf. Allomorph.
  1. 1.
    A substance capable of crystallizing in several distinct forms; also, any one of these forms. Cf. Allomorph.(Crystallog.) See: Allomorph