- a unit of heat in the fps system equal to the quantity of heat required to raise the temperature of 1 pound of water by 1°F. 1 British thermal unit is equivalent to 1055.06 joules or 251.997 calories
Abbrevs: btu, BThU
| 单词 | british thermal unit |
| 释义 | WordReference Random House Learner's Dictionary of American English © 2024 ˈBrit•ish ˈther•mal ˌu•nit, n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024
Brit′ish ther′mal u′nit, [Physics.]
Collins Concise English Dictionary © HarperCollins Publishers:: British thermal unit n
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