Synset
any of the chemically inert gaseous elements of the helium group in the periodic table
<noun.substance>
semantic pointers
hypernym
hyponym
argon, Ar, atomic number 18
helium, He, atomic number 2
krypton, Kr, atomic number 36
neon, Ne, atomic number 10
radon, Rn, atomic number 86
xenon, Xe, atomic number 54
