any of the phonological representations of a single morpheme. For example, the final (s) and (z) sounds of bets and beds are allomorphs of the English noun-plural morpheme
2.
any of two or more different crystalline forms of a chemical compound, such as a mineral
Derived forms
allomorphic (ˌalloˈmorphic)
adjective
allomorph in American English
(ˈæloʊˌmɔrf; ˈæləˌmɔrf)
noun
1. Mineralogy
a.
any of the crystalline forms of a substance existing in more than one such form
b.
paramorph
2. Linguistics
any of the variant forms of a morpheme as conditioned by position or adjoining sounds