noun
: heat rejected or escaping from furnaces of various types (as coke ovens, cement kilns, or steel furnaces) after it has served its primary purpose
noun
: heat rejected or escaping from furnaces of various types (as coke ovens, cement kilns, or steel furnaces) after it has served its primary purpose
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012