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The changes in pronunciation undergone by allomorphs of morphemes as they are modified by neighboring sounds, as the plural allomorphs in cat-s, dog-s, box-es, or as they are modified for grammatical reasons in the course of inflection or derivation, as house versus to house and housing.
(noun)
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The study of the morphophonemics of a language.
(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.