Heaviest Substance Known Crossword Clue

There is 1 exact and 157 possible answers.

We've checked our database and believe the answer is OSMIUM which was last seen in the The Guardian Speedy crossword.
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We think the answer to this crossword clue is: OSMIUM

Updated: October 15, 2023

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Best Possible Answers

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Expand?		Letters	Answer	Clue
	99%	6		Exact Match!
	noun • a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
	26%	5		Heaviest of the noble gases
	noun • a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health
	26%	5		Heaviest or hardest part
	noun • main force of a blow etc

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We think you're currently doing a The Guardian Speedy crossword, and other users also searched for these clues:

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Clue Last Found In...

Source	#Number	Answer
The Guardian Speedy16 Jul 2006	Down 16
This clue was last seen in the publications above.

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