Phoneme and allophone Phoneme: a sound which is capable of distinguishing one word from another in a given language Allophone the different members of a phoneme a phoneme is represented by one of its allophones in a particular phonetic situationPhoneme and Allophone • Phoneme: a sound which is capable of distinguishing one word from another in a given language. • Allophone: the different members of a phoneme. • A phoneme is represented by one of its allophones in a particular phonetic situation