Meaning of morphotonemics

mor•pho•to•ne•mics

Pronunciation: (môr"fō-tu-nē'miks, -tō-), [key]
— n. (used with a sing. v.) Ling.
  1. the morphophonemics of tonal phenomena.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.