BRITISH THERMAL UNIT


Meaning of BRITISH THERMAL UNIT in English

Physics.

the amount of heat required to raise the temperature of 1 lb. (0.4 kg) of water 1°F. Abbr.: Btu, BTU, B.t.u., B.T.U., B.th.u.

[ 1875-80 ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .