NEON

I. noun see: new Date: 1898 a colorless odorless mostly inert gaseous element that is found in minute amounts in air and is used in electric lamps, 2. a discharge lamp in which the gas contains a large proportion of ~, a sign composed of such lamps, the illumination provided by such lamps or signs, ~ed adjective II. adjective Date: 1904 of, relating to, or using ~, extremely bright ; fluorescent