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neon

[nee-on] /ˈni ɒn/
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.
2.
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, relating to, or characteristic of a tawdry urban district or of gaudy nighttime entertainment.
Origin
1895-1900
1895-1900; < New Latin < Greek néon new, recent (neuter of néos); see -on1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for neonest

neon

/ˈniːɒn/
noun
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
Word Origin
C19: via New Latin from Greek neon new
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for neonest

neon

n.

1898, coined by its discoverers, Sir William Ramsay and Morris W. Travers, from Greek neon, neuter of neos "new" (see new); so called because it was newly discovered. Neon sign is attested from 1927.

Online Etymology Dictionary, © 2010 Douglas Harper
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neonest in Medicine

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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neonest in Science
neon
  (nē'ŏn')   
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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