1
: a nonmetallic chemical element that is found in minute amounts in air and is used especially in electric lamps, in lasers, and as a cryogenic refrigerant see Chemical Elements 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
1
: of, relating to, or using neon
2
: extremely bright : fluorescent
neon yellow
Examples of neon in a Sentence
Recent Examples on the Web
Jeff Gibson, Artforum, 1 Nov. 2024
Becker was wearing a neon green high-visibility shirt with shoulder patches.
—Jade Jackson, The Indianapolis Star, 29 Oct. 2024
Hallie Lieberman, Smithsonian Magazine, 18 Apr. 2022
Instead of a Torah ark, the crates face a pink-and-green neon sign: a cricket inside a heart.
—Anna Kordunsky, The New Yorker, 28 May 2020
See all Example Sentences for neon 
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Noun
Mundial #4 neon work* 44 x 20 1/8 in / 112 x 51 cm**
edition 1 of 2 + 1 AP
The work can be used as the owner chooses.
—Jeff Gibson, Artforum, 1 Nov. 2024
Becker was wearing a neon green high-visibility shirt with shoulder patches.
—Jade Jackson, The Indianapolis Star, 29 Oct. 2024
Adjective
Fruity Sandwich cookies from Kroger were blindingly neon and surprisingly tasty.
—Hallie Lieberman, Smithsonian Magazine, 18 Apr. 2022
Instead of a Torah ark, the crates face a pink-and-green neon sign: a cricket inside a heart.
—Anna Kordunsky, The New Yorker, 28 May 2020
See all Example Sentences for neon
Dictionary Entries Near neon
Cite this Entry
“Neon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neon. Accessed 22 Nov. 2024.
Copy CitationKids Definition
neon
1 of 2 noun
ne·on
ˈnē-ˌän 
1
: a colorless odorless gaseous element found in very small amounts in air and used in electric lamps see element
2
a
: a lamp in which the gas contains a large amount of neon that gives a reddish glow when a current is passed through it
b
: a sign composed of such lamps
neon
2 of 2 adjective1
: of, relating to, or using neon
neon lights
2
: extremely bright : fluorescent
neon yellow
Medical Definition
neon
noun
ne·on
ˈnē-ˌän
: a colorless odorless primarily inert gaseous element found in minute amounts in air and used in electric lamps
—symbol Ne
see Chemical Elements Table
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