allomorph
1. [ noun ] (chemistry) any of several different crystalline forms of the same chemical compound
Examples:

: "calcium carbonate occurs in the allomorphs calcite and aragonite"

Related terms: compound
2. [ noun ] (linguistics,phonology) a variant phonological representation of a morpheme
Examples:

: "the final sounds of `bets' and `beds' and `horses' and `oxen' are allomorphs of the English plural morpheme"

Related terms: morpheme morphophoneme
Similar spelling:   allomorphic
  allomerous
  allomerism