Btu

//biː.tiː.juː// noun, symbol

Definitions

Noun
  1. 1
    Initialism of British thermal unit. abbreviation, alt-of, initialism
  2. 2
    a unit of heat equal to the amount of heat required to raise one pound of water one degree Fahrenheit at one atmosphere pressure; equivalent to 251.997 calories wordnet
Symbol
  1. 1
    Alternative letter-case form of BTU (“British thermal unit”). alt-of

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