WordReference Random House Unabridged Dictionary of American English © 2026
al•lo•morph
(al′ə môrf′),USA pronunciation n.
al′lo•mor′phic, adj.
- Chemistryany of two or more different forms of the same chemical compound.
- Linguisticsone of the alternate contextually determined phonological shapes of a morpheme, as en in oxen, which is an allomorph of the English plural morpheme. Cf. morph.
- Mineralogyparamorph.
- allo- + -morph 1865–70