diachrony diachronic linguistics • diachylon · · · Info · Definitions · Synonyms · Characters · · diachrony · · Text Latin · · Script 9 · · Length 4 · · Syllables Definitions · · · (noun) the study of linguistic change. Synonyms: historical linguistics, diachronic linguistics. Example: "The synchrony and diachrony of language." · · Noun Definition 1 Synonyms · · · historical linguistics · · Synonym 1 diachronic linguistics · · Synonym 2 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 y latin small letter y U+0079