Noun | 1. | allomorph - any of several different crystalline forms of the same chemical compound; "calcium carbonate occurs in the allomorphs calcite and aragonite" chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight |
2. | allomorph - a variant phonological representation of a morpheme; "the final sounds of `bets' and `beds' and `horses' and `oxen' are allomorphs of the English plural morpheme" morpheme - minimal meaningful language unit; it cannot be divided into smaller meaningful units morphophoneme - (linguistics) the phonemes (or strings of phonemes) that constitute the various allomorphs of a morpheme |