WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / B / british thermal unit british thermal unit noun 4 syllables 20 letters Scrabble 28 WWF 31 Definitions noun 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 b.th.u.btu Look “british thermal unit” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →