morphophonologyPronunciation: /ˌmɔːfə(ʊ)fəˈnɒlədʒi/Definition of morphophonology noun [mass noun] the branch of linguistics that deals with the phonological representation of morphemes. Derivatives morphophonological adjective morphophonologically adverb morphophonology in other Oxford dictionaries Definition of morphophonology in the US English dictionary