B.T.U.

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Definition
  1. Noun:
    • A unit of energy: A b.t.u. is a unit of energy measurement, specifically equal to the work done by a power of 1000 watts operating for one hour. It is a standard unit used in fields like heating, cooling, and power generation.
Usage
  • The term "b.t.u." is used as a countable noun to quantify energy. It is commonly used in technical, engineering, and scientific contexts, particularly when discussing the energy output of appliances, the heating or cooling capacity of systems, or energy consumption.
  • It is often written in its abbreviated form (b.t.u. or BTU) and is typically preceded by a number.
Examples
  • Noun:
    • This air conditioner has a cooling capacity of 12,000 b.t.u.
    • The furnace's output is rated at 80,000 BTU per hour.
    • One b.t.u. is approximately equal to 1055 joules.
Advanced Usage
  • "b.t.u./hr" or "BTU/h": This denotes a rate of energy transfer per hour, commonly used to specify the power of heating and cooling equipment.
    • The boiler has a maximum output of 100,000 b.t.u./hr.
Variants and Related Words
  • British Thermal Unit (BTU): This is the full form of the abbreviation "b.t.u." The terms are used interchangeably.
    • The manual lists the energy consumption in British Thermal Units.
  • kWh (kilowatt-hour): Another unit of energy; 1 kWh is approximately equal to 3412 b.t.u.
Synonyms
  • Therm: A unit of heat energy equal to 100,000 b.t.u., often used for natural gas.
  • Joule: The SI unit of energy; 1 b.t.u. is approximately 1055 joules.
Related Phrases
  • BTU content: Refers to the amount of heat energy available in a fuel source.
    • The BTU content of this natural gas is very high.
  • BTU rating: A specification indicating the energy output or consumption capacity of a device.
    • Always check the BTU rating when buying a space heater.
Noun
  1. a unit of energy equal to the work done by a power of 1000 watts operating for one hour

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