Definition of allograph
noun
Linguistics each of two or more alternative forms of a letter of an alphabet or other grapheme. The capital, lowercase, italic, and various handwritten forms of the letter A are allographs. Phonetics each of two or more letters or letter combinations representing a single phoneme in different words. Allographs of the phoneme /f/ include the (f) of “fake” and the (ph) of “phase.”.
