allomorph

(noun)

noun

1. any of several different crystalline forms of the same chemical compound

- calcium carbonate occurs in the allomorphs calcite and aragonite

Definition categories: substance, compound

2. 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

Definition categories: communication, morpheme