[ne.on] n [Gk, neut. of neos new--more at new] (1898) 1: a colorless odorless mostly inert gaseous element that is found in minute amounts in air and is used in electric lamps
2. a: a discharge lamp in which the gas contains a large proportion of neon b: a sign composed of such lamps c: the illumination provided by such lamps or signs -- ne.oned adj
[2]neon adj (1904) 1: of, relating to, or using neon
2: extremely bright: fluorescent "~ yellow"