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Noun: allomorph  'a-lu,morf
  1. Any of several different crystalline forms of the same chemical compound
    "calcium carbonate occurs in the allomorphs calcite and aragonite"
  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"

Derived forms: allomorphs

Type of: chemical compound, compound, morpheme

Encyclopedia: Allomorph