noun
: a unit for measuring the power of a steam boiler, being the equivalent of 34.5 pounds of steam evaporated from and at 212° F per hour
noun
: a unit for measuring the power of a steam boiler, being the equivalent of 34.5 pounds of steam evaporated from and at 212° F per hour
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012