noble gas

Noun noble gas has 1 sense

• noble gas(n = noun.substance) argonon, inert gas - any of the chemically inert gaseous elements of the helium group in the periodic table; Array
is a kind of chemical element, element, gas
has particulars: ar, argon, atomic number 18, atomic number 2, he, helium, atomic number 36, kr, krypton, atomic number 10, ne, neon, atomic number 86, radon, rn, atomic number 54, xe, xenon