noble gas
noun Chemistry.
any of the chemically inert gaseous elements of group 8A or 0 of the periodic table: helium, neon, argon, krypton, xenon, and radon.
Words nearby noble gas
nobiliary particle, nobility, noble, noble art, noble fir, noble gas, noble metal, noble opal, noble rot, noble savage, noble-minded
Origin of noble gas
First recorded in 1900–05
Also called inert gas.
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British Dictionary definitions for noble gas
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Medicine definitions for noble gas
noble gas
[ nō′bəl ]
n.
Any of the elements in Group O of the periodic table, including helium, neon, argon, krypton, xenon, and radon, which are monatomic and with limited exceptions chemically inert.inert gas
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for noble gas
noble gas
[ nō′bəl ]
Any of the six gases helium, neon, argon, krypton, xenon, and radon. Because the outermost electron shell of atoms of these gases is full, they do not react chemically with other substances except under certain special conditions. Also called inert gas See Periodic Table.
The American Heritage® Science Dictionary
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