alphabetic /ˌæl.fəˈbɛt.ɪk/adjective 1noun 1forms 1 adjective1 •Of or relating to an alphabet, especially the characters A to Z, both uppercase and lowercase.Seycong or his linguistic consultants could use as a model the alphabetic or abugidic scripts of India and Inner Asia […] — 1996 noun1 •An alphabetic character; a letter of the alphabet.Upper case alphabetics can be composed of two characters: (1) a shift character; and (2) the desired alphabetic character. — 1960 formsalphabetics