Dictionary.com
Thesaurus.com
Synonyms

neon

American  
[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. Ne; 20.183; 10; density: 0.9002 grams/liter at 0°C and 760 millimeters pressure.

  2. neon lamp.

  3. a sign or advertising sign formed from neon lamps.


adjective

  1. using or containing the gas neon.

  2. made of or formed by a neon lamp or lamps.

    a neon sign.

  3. of, relating to, or characteristic of a tawdry urban district or of gaudy nighttime entertainment.

neon British  
/ 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

"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

neon Scientific  
/ nēŏn′ /
  1. 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.

  2. See Periodic Table


Etymology

Origin of neon

First recorded in 1895–1900; from New Latin, from Greek néon “new, recent” (neuter of néos ); -on 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Like snapback caps and vibrant neons, the splitter has made a roaring comeback.

From The Wall Street Journal

On Picnic weekend, Sandy June’s business picked up as soon as the neon kicked on, and my lunch-bussing demanded more hustle.

From Literature

It might as well be written in all caps, flashing at me in neon, excited emojis everywhere, it’s so loud in my face.

From Literature

Sora transfixed the tech world by creating seemingly realistic videos of everything from woolly mammoths trekking across a snowy field to a stylish woman walking down a Tokyo street filled with glowing neon signs.

From The Wall Street Journal

The sitcom is played not in italics but in neon.

From Los Angeles Times