noun
: the rate in pounds per hour at which water would be vaporized in a given steam boiler if supplied and evaporated at the normal boiling point and normal atmospheric pressure
noun
: the rate in pounds per hour at which water would be vaporized in a given steam boiler if supplied and evaporated at the normal boiling point and normal atmospheric pressure
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012