I. ˈnē-ˌän noun
Etymology: Greek, neuter of neos new — more at new
Date: 1898
1. : a colorless odorless mostly inert gaseous element that is found in minute amounts in air and is used in electric lamps — see element table
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 -ˌänd adjective
II. adjective
Date: 1904
1. : of, relating to, or using neon
2. : extremely bright : fluorescent
neon yellow