This clue appeared in the NYT Crossword on Wednesday, September 16, 2026 (46 Across). The answer is hidden below until you want it. Wednesday sits mid-week in difficulty, with more wordplay than Monday or Tuesday.
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
N _ _
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About the answer
NOS as a word: (uncountable) Abbreviation of nitrous oxide (“N₂O”). [(inorganic chemistry) A non-flammable gas (N₂O) commonly used in surgery and dentistry for its anaesthe...; (countable) Acronym of nitrous oxide system.
NOS has been an answer 11 times in the NYT Crossword and Mini since November 2, 2025.
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