Search Result for "argonon": 
Wordnet 3.0

NOUN (1)

1. any of the chemically inert gaseous elements of the helium group in the periodic table;
[syn: noble gas, inert gas, argonon]



WordNet (r) 3.0 (2006):

argonon
    n 1: any of the chemically inert gaseous elements of the helium
         group in the periodic table [syn: noble gas, inert gas,
         argonon]