noun
: an apparatus used to preheat the blast for an iron blast furnace and consisting of firebrick passages which alternately receive heat from burning gas and then give up this heat to the incoming blast
noun
: an apparatus used to preheat the blast for an iron blast furnace and consisting of firebrick passages which alternately receive heat from burning gas and then give up this heat to the incoming blast
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012