Cite
 

Synonyms of atomic number 2

Noun


1. helium, He, atomic number 2, chemical element, element, noble gas, inert gas, argonon

usage: a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)

WordNet 3.0 Copyright © 2006 by Princeton University.
All rights reserved.