ALPHABETIC
alphabetic, alphabetical
(adjective) arranged in order according to the alphabet; “an alphabetic arrangement”; “dictionaries list words in alphabetical order”
alphabetic, alphabetical
(adjective) relating to or expressed by a writing system that uses an alphabet; “alphabetical writing system”
Source: WordNet® 3.1
Etymology
Adjective
alphabetic
Of or relating to an alphabet, especially the characters A to Z, both uppercase and lowercase.
Source: Wiktionary
Al`pha*bet"ic, Al`pha*bet"ic*al, a. Etym: [Cf. F. alphabétique.]
1. Pertaining to, furnished with, expressed by, or in the order of,
the letters of the alphabet; as, alphabetic characters, writing,
languages, arrangement.
2. Literal. [Obs.] "Alphabetical servility." Milton.
Source: Webster’s Unabridged Dictionary 1913 Edition