Upper Atmosphere Layer Crossword Clue

There is 1 exact and 95 possible answers.

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

Updated: October 11, 2023

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Expand?		Letters	Answer	Clue
	99%	5		Exact Match!
	noun • a colorless gas (O3) soluble in alkalis and cold water; a strong oxidizing agent; can be produced by electric discharge in oxygen or by the action of ultraviolet radiation on oxygen in the stratosphere (where it acts as a screen for ultraviolet radiation)
	38%	10		Upper layer of the Earth's atmosphere
	No meanings yet for this word...
	37%	14		Upper layer of the Earth's atmosphere
	noun • a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length

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Clue Last Found In...

Source	#Number	Answer
New York Times Mini05 Dec 2021	Across 6
New York Times19 Apr 2011	Across 64
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