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Search Result: british thermal unit

british thermal unit   (TTS Sound)


The british_thermal_unit has 1 Senses.

  • british thermal unit, btu, b.th.u.
  • 基本伝送単位
  • 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
  • 熱量単位で、1気圧の下で1ポンドの水の温度を華氏1度上げるのに必要な熱量と等しい