As you may have noticed, above you will find words for "A device used in connection with hot-air engines, gas-burning furnaces, etc., in which the incoming air or gas is heated by being brought into contact with masses of iron, brick, etc., which have been previously heated by the outgoing, or escaping, hot air or gas.". Hover the mouse over the word you'd like to know more about to view its definition. Click to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.