al·​lo·​morph ˈa-lə-ˌmȯrf How to pronounce allomorph (audio)
: one of a set of forms that a morpheme may take in different contexts
the -s of cats, the -en of oxen, and the zero suffix of sheep are allomorphs of the English plural morpheme
allomorphic adjective
allomorphism noun

Word History


allo- + -morph (in morpheme), on the model of allophone : phoneme

First Known Use

1945, in the meaning defined above

Time Traveler
The first known use of allomorph was in 1945

Dictionary Entries Near allomorph

Cite this Entry

“Allomorph.” Dictionary, Merriam-Webster, Accessed 14 Jun. 2024.

Medical Definition


al·​lo·​morph ˈal-ə-ˌmȯrf How to pronounce allomorph (audio)
: any of two or more distinct crystalline forms of the same substance
: a pseudomorph that has undergone change or substitution of material
allomorphic adjective
allomorphism noun

More from Merriam-Webster on allomorph

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