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therm

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
therm (therm) a unit of heat. The word has been used as equivalent to (a) large calorie; (b) small calorie; (c) 1000 large calories; (d) 100,000 British thermal units.
therm
the amount of heat input required to raise the temperature of 1000 kg of water by 1°C. One therm = 1000 kilocalories = 1 megacalorie (Mcal) = 106 megajoule.


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