The American Heritage® Dictionary of the English Language, 4th Edition
n. The study of speech sounds in language or a language with reference to their distribution and patterning and to tacit rules governing pronunciation.
n. The sound system of a language: the phonology of English.
n. The study of the way sounds function in languages, including phonemes, syllable structure, stress, accent, intonation, and which sounds are distinctive units within a language.
n. The way sounds function within a given language.
the GNU version of the Collaborative International Dictionary of English
n. The science or doctrine of the elementary sounds uttered by the human voice in speech, including the various distinctions, modifications, and combinations of tones; phonetics. Also, a treatise on sounds.
The Century Dictionary and Cyclopedia
n. The science or doctrine of the sounds uttered by the human voice, or used in a particular language; phonetics.
n. That part of grammar which treats of pronunciation. Compare orthoëpy.
n. The system of sounds and of their combinations in a language.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the study of the sound system of a given language and the analysis and classification of its phonemes
Word Usage
"And the mora clearly is a salient concept in Japanese phonology."