Noble Gas Definition
nōbəl
noun
Any of the elements in Group 18 of the periodic table, including helium, neon, argon, krypton, xenon, and radon, which are monatomic and with limited exceptions chemically inert.
American Heritage
Synonyms:
- argonon
- inert-gas
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Other Word Forms of Noble Gas
Noun
Singular:
noble gas
Plural:
noble-gasesRelated Articles
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