Definition of neon
1 : a colorless odorless mostly inert gaseous element that is found in minute amounts in air and is used in electric lamps — see element table
2a : a discharge lamp in which the gas contains a large proportion of neonb : a sign composed of such lampsc : the illumination provided by such lamps or signs
From the M-W Editors
Origin and Etymology of neon
Greek, neuter of neos new — more at new
neon
Definition of neon
1 : of, relating to, or using neon
2 : extremely bright : fluorescent neon yellow
First Known Use of neon
1904
NEON Defined for English Language Learners
neon
playDefinition of neon for English Language Learners
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: a type of gas that is used in brightly colored electric signs and lights
neon
Definition of neon for English Language Learners
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: using neon
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: extremely bright
NEON Defined for Kids
neon
playDefinition of neon for Students
: a colorless gaseous chemical element found in very small amounts in the air and used in electric lights
Medical Dictionary
neon
playMedical Definition of neon
: a colorless odorless primarily inert gaseous element found in minute amounts in air and used in electric lamps—symbol Ne; see element table
Learn More about neon
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See words that rhyme with neon Spanish Central: Translation of neon Nglish: Translation of neon for Spanish speakers Britannica English: Translation of neon for Arabic speakers Britannica.com: Encyclopedia article about neon
Seen and Heard
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