“+ noun plural but singular in construction
Etymology: morpho- (from morpheme ) + phonemics
1. : a study of the phonemic differences between allomorphs of the same morpheme (as the ē, e difference in slēp, slep
morphophonemics thus concerns the phonemic shape of morphemes — J.B.Carroll
2. : the distribution in one morpheme of alternants (as the ed of played, the o in wrote as distinguished from write, the t in built as distinguished from build ) and of zero features (as the zero suffix of let, past) regardless of whether the assigned members have any phonemes in common
3. : the structure of a language in terms of morphophonemics or a statement of this
the total class of these differences so described, classified, and compared is called the morphophonemics of the language in question — R.S.Wells