English noun: noble gas | |||
1. | noble gas (substance) any of the chemically inert gaseous elements of the helium group in the periodic table | ||
Synonyms | argonon, inert gas | ||
Broader (hypernym) | chemical element, element, gas | ||
Narrower (hyponym) | Ar, argon, atomic number 10, atomic number 18, atomic number 2, atomic number 36, atomic number 54, atomic number 86, He, helium, Kr, krypton, Ne, neon, radon, Rn, Xe, xenon | ||