- any of the ways a unit of a writing system, as the letter of an alphabet, is formed or shaped
- any of the units or combinations of units that can represent a single phoneme, morpheme, syllable, etc.
Origin of allographallo- + -graph
- A variant shape of a letter.
- A letter or combination of letters that can represent one phoneme, as f and gh can represent the phoneme /f/.
- Writing, especially a signature, made by one person for another.
allo- + -graph