Phonology explores the distribution of sounds within a language. Phonologists are often concerned with the phoneme inventory of a particular language and the alternations between sounds in different contexts. Despite paying similar attention to the sounds of a language, phonology differs from phonetics in the concern it pays to the mental representation of those sounds. Phonologists can describe a sound relative to the other sounds with which it appears and by the changes it undergoes when the environment varies.
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- Crystal, D. (2008) Dictionary of Linguistics and Phonetics. 6th Edition. Wiley-Blackwell.
- Matthews, P. H. (1997) The Concise Oxford Dictionary of Linguistics. Oxford: Oxford University Press.