Dictionary
ne•on
Pronunciation: (nē'on), [key]—
n.
1. Chem.a chemically inert gaseous element occurring in small amounts in the earth's atmosphere, used chiefly in a type of electrical lamp.
Symbol: Ne;
at. wt.: 20.183;
at. no.: 10;
density: 0.9002 g/l at 0°C and 760 mm pressure.
2. See
neon lamp.
3. a sign or advertising sign formed from neon lamps.
—
adj.
1. using or containing the gas neon.
2. made of or formed by a neon lamp or lamps:
a neon sign.
3. of, pertaining to, or characteristic of a tawdry urban district or of gaudy nighttime entertainment.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.