Search Result for "morphophoneme": 
Wordnet 3.0

NOUN (1)

1. (linguistics) the phonemes (or strings of phonemes) that constitute the various allomorphs of a morpheme; 



WordNet (r) 3.0 (2006):

morphophoneme
    n 1: (linguistics) the phonemes (or strings of phonemes) that
         constitute the various allomorphs of a morpheme