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Ozone no-no, for short (crossword clue)

3 squares · NYT Crossword · January 4, 2026 · The answer stays hidden until you tap it

This clue appeared in the NYT Crossword on Sunday, January 4, 2026 (58 Across). The answer is hidden below until you want it. Sunday puzzles are large (21 by 21) and themed, about as hard as a Wednesday or Thursday.

How to read this clue

"Abbr." or "for short" means the answer is itself an abbreviation or a shortened form.

Answer length: 3 squares

First letter

C _ _

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About the answer

CFC as a word: (organic chemistry) Initialism of chlorofluorocarbon, a class of molecules containing chlorine, fluorine and carbon atoms. [(organic chemistry) Any of a clas...; (soccer) Initialism of Chelsea Football Club.

CFC has been an answer once in the NYT Crossword and Mini puzzles we have on file, which go back to October 23, 2025.

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