Lightest Known Substance Crossword Clue

There is 1 exact and 142 possible answers.

We've checked our database and believe the answer is HYDROGEN which was last seen in the New York Times crossword.
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We think the answer to this crossword clue is: HYDROGEN

Updated: October 10, 2023

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Expand?		Letters	Answer	Clue
	99%	8		Exact Match!
	noun • a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
	37%	5		Lithium is the lightest one known
	adjective • containing or made of or resembling or characteristic of a metal noun • any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. • a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten verb • cover with metal
	28%	10		The lightest known antinucleon
	noun • an unstable negatively charged proton; the antiparticle of a proton

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Clue Last Found In...

Source	#Number	Answer
New York Times11 Oct 1985	Across 43
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3	Lightest and most abundant of all substances The Guardian Quick - 13 Apr 2002	The Guardian Quick / 13 Apr 2002
4	Lightest metal known to man
5	Lightest of all gases The Guardian Quick - 28 Jun 2010	The Guardian Quick / 28 Jun 2010
6	Lithium is the lightest one known New York Times - 10 Mar 1978	New York Times / 10 Mar 1978
7	The lightest known antinucleon