| 单词 | british thermal unit |
| 释义 | > as lemmasBritish thermal unit British thermal unit n. the amount of heat needed to raise the temperature of one pound of water by one degree Fahrenheit, equivalent to approx. 1055 joules; abbreviation Btu (formerly also B.Th.U., B.T.U.).Now largely replaced in many countries by the SI unit of the joule. ΘΚΠ the world > matter > physics > electromagnetic radiation > heat > [noun] > unit of heat thermal unit1853 calorie1863 British thermal unit1865 joule1882 large calorie1884 therm1888 kilogram calorie1892 B.T.U.- the world > matter > properties of materials > temperature > heat > [noun] > measurement of heat > unit of thermal energy thermal unit1853 calorie1863 British thermal unit1865 joule1882 therm1888 1865 J. C. E. Bourne Handbk. of Steam-engine iii. 162 There are 3.96832 British thermal units in a French thermal unit, and there is 0.251996 of a French thermal unit in a British thermal unit. 1920 Act 10 & 11 George V c. 28 §1 (2) A standard or maximum price for each hundred thousand British thermal units (in this Act referred to as ‘a therm’). 2005 Fairlady (Cape Town) Feb. 148/2 The cooling capacity of an air conditioner is measured in watts or Btu (British thermal units)—1W is equivalent to 3.41 Btu per hour. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。