helium
nounHow to pronounce helium:
Definition of helium:
- helium (noun):
- see chemical elements table
- 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).
- a chemical element of the noble gas group with atomic number 2 that is found especially in natural gases and used chiefly for inflating airships and balloons, as a coolant for superconductors, and as a component of inert atmospheres (as in welding)
Synonyms for helium:
elementOther 3-syllable words like helium
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