neon

[nee-on]
noun
1.
Chemistry. a chemically inert gaseous element occurring in small amounts in the earth's atmosphere, used chiefly in a type of electrical lamp. Symbol: Ne; atomic weight: 20.183; atomic number: 10; density: 0.9002 g/l at 0°C and 760 mm pressure.
3.
a sign or advertising sign formed from neon lamps.
adjective
4.
using or containing the gas neon.
5.
made of or formed by a neon lamp or lamps: a neon sign.
6.
of, pertaining to, or characteristic of a tawdry urban district or of gaudy nighttime entertainment.

Origin:
1895–1900; < Neo-Latin < Greek néon new, recent (neuter of néos); see -on1

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World English Dictionary
neon (ˈniːɒn)
 
n
1.  a colourless odourless rare gaseous element, an inert gas occurring in trace amounts in the atmosphere: used in illuminated signs and lights. Symbol: Ne; atomic no: 10; atomic wt: 20.1797; valency: 0; density: 0.899 90 kg/m³; melting pt: --248.59°C; boiling pt: --246.08°C
2.  (modifier) of or illuminated by neon or neon lamps: neon sign
 
[C19: via New Latin from Greek neon new]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

neon
1898, coined by Ramsay and Travers from Gk. neon, neut. of neos "new," so called because it was newly discovered. Neon sign is attested from 1927.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

neon ne·on (nē'ŏn')
n.
Symbol Ne
A rare inert colorless gaseous element that occurs in air and glows reddish orange in an electric discharge. Atomic number 10; atomic weight 20.180; melting point -248.59°C; boiling point -246.08°C.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
neon   (nē'ŏn')  Pronunciation Key 
Symbol Ne
A rare colorless element in the noble gas group that occurs naturally in extremely small amounts in the atmosphere. It glows reddish orange when electricity passes through it, as in a tube in an electric neon light. Neon is also used for refrigeration. Atomic number 10; atomic weight 20.180; melting point -248.67°C; boiling point -245.95°C. See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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FOLDOC
Computing Dictionary

Neon definition


Charles Duff. An object-oriented extension of FORTH, for the Mac. Inheritance, SANE floating-point, system classes and objects for Mac interfacing, overlays. Sold by Kriya Systems, 1985-1988. Modified, made PD and renamed Yerk.

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
Right now fall is favoring cool-factor shocks of bright, neon colors.
In some villages there are still coin-operated threshing machines next to neon
  coffee-vending machines.
The speed creates friction that heats up atmospheric gases and causes them to
  glow in much the same manner as neon signs.
The eye-catching motels, with their beckoning neon signs, are a stylistic
  extension of the boardwalk.
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