morphophonemics

[ mawr-foh-fuh-nee-miks, -foh-nee- ]
/ ˌmɔr foʊ fəˈni mɪks, -foʊˈni- /

noun (used with a singular verb) Linguistics.

Also called morphonology, morphophonology. the study of the relations between morphemes and their phonological realizations, components, or mappings.
the body of data concerning these relations in a given language.

Origin of morphophonemics

First recorded in 1935–40; see origin at morphophonemic, -ics
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for morphophonemics

morphophonemics

/ (ˌmɔːfəʊfəʊˈniːmɪks) /

noun

(functioning as singular) linguistics the study of the phonemic realization of the allomorphs of the morphemes of a language
Derived Formsmorphophonemic, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012