a minimal unit of a writing system.
a unit of a writing system consisting of all the written symbols or sequences of written symbols that are used to represent a single phoneme.
Origin of grapheme
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
linguistics one of a set of orthographic symbols (letters or combinations of letters) in a given language that serve to distinguish one word from another and usually correspond to or represent phonemes, e.g. the f in fun, the ph in phantom, and the gh in laugh
Word Origin for grapheme
C20: from Greek graphēma a letter
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