TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

BRITISH THERMAL UNIT [1 record]

Record 1 2017-09-20

English

Subject field(s)
  • Metrology and Units of Measure
  • Heat (Physics)
DEF

The amount of heat needed to raise the temperature of one pound of water by one degree Fahrenheit, equivalent to approximately 1055 joules.

OBS

Now largely replaced in many countries by the SI unit [système international, from the French version of the name] of the joule.

OBS

British thermal unit; Btu: term and abbreviation officially approved by the Lexicon Project Committee (New Brunswick).

French

Domaine(s)
  • Unités de mesure et métrologie
  • Chaleur (Physique)
DEF

Quantité de chaleur nécessaire pour élever de 1 °F la température de 1 lb d'eau, équivalente à environ 1055 joules.

OBS

BTU : abréviation uniformisée par le Comité du projet de lexiques (Nouveau-Brunswick).

Spanish

Campo(s) temático(s)
  • Metrología y unidades de medida
  • Calor (Física)
DEF

Cantidad de calor necesario para elevar un grado Fahrenheit la temperatura de una libra de agua pura.

OBS

Una BTU equivale a 1.055,06 julios.

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