This clue appeared in the NYT Crossword on Wednesday, October 7, 2026 (61 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
B _ _
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About the answer
BTU as a word: (energy) Initialism of British thermal unit. [A unit of energy that is equivalent to the quantity of heat required to raise the temperature of one pound of w....
BTU has been an answer 3 times in the NYT Crossword and Mini since October 28, 2025.
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