I. ˈnēˌän sometimes ˈnēən noun
( -s )
Etymology: Greek, neuter of neos new — more at new
1. : a colorless odorless inert gaseous element that occurs in air to the extent of about two thousandths of a percent by volume, is obtained by separating from liquid air, gives a reddish glow in a vacuum tube, and is used in electric lamps — symbol Ne ; see element table
2.
a. : neon lamp
b. : a sign composed of neon lamps ; especially : one used for advertising
c. : the illumination provided by such lamps or signs
a street of narrow shops and faulty neon — Martin Dibner
II. adjective
1. : of, relating to, or resembling the light of neon lamps
2. : lighted by or composed of neon lamps
a neon roadside stand
a neon sign