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⇱ btu - WordReference.com Dictionary of English

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btu

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Collins Concise English Dictionary © HarperCollins Publishers::

btu, BThU abbreviation for

British thermal unitUS abbreviation: BTU

WordReference Random House Learner's Dictionary of American English © 2026

Btu or BTU, an abbreviation of:

PhysicsBritish thermal unit.

WordReference Random House Unabridged Dictionary of American English © 2026

B.T.U., [Physics.]

PhysicsBritish thermal unit;
British thermal units.

Also, BTU, B.t.u., B.th.u., Btu

'btu' also found in these entries (note: many are not synonyms or translations):

British thermal unit - lignite - B.T.U. - specific heat

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