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British thermal unit (thermochemical)

outdated unit of energy, about 1054.3503 J

Pronunciation
/ˈbrɪtɪʃ ˈθəːməl ˈjuːnɪt ( ˌθəːməʊˈkɛmɪkəl )/
/ˈbrɪdɪʃ ˈθərməl ˈjunət ( ˌθərmoʊˈkɛməkəl )/
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