The definition of an allophone is an alternative sound for a letter or group of letters in a word.
An example of an allophone is the short sound of the "a" in mat and the long sound of the "a" in mad.
Linguis. any of the variant forms of a phoneme as conditioned by position or adjoining sounds: the relatively short (a) of mat and the relatively long (a) of mad are allophones
Origin of allophoneallo- + phone
- Linguistics A predictable phonetic variant of a phoneme. For example, the aspirated t of top, the unaspirated t of stop, and the tt (pronounced as a flap) of batter are allophones of the English phoneme /t/.
- or Allophone Canadian A person whose native language is other than French or English.
Origin of allophoneallo– + phone(me).
- (linguistics) Any of two or more alternative pronunciations for a phoneme.
- (Canada) A person whose mother tongue is neither English nor French.
allo- + -phone