Synonyms of helium
- 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)
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Definition and meaning of helium (Dictionary)
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