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5 wordies list
helium |
(n): 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)
(n): any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
(n): any of the chemically inert gaseous elements of the helium group in the periodic table
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He.
There's a looming national helium crisis.