अर्थ : 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.
पर्यायवाची : b.th.u., british thermal unit
Btu ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Btu ka matlab kya hota hai?