[{"Bold_text": "adjective", "List Items": ["characterized or produced by reverberation.", "noting a furnace, kiln, or the like in which the fuel is not in direct contact with the ore, metal, etc., to be heated, but furnishes a flame that plays over the material, especially by being deflected downward from the roof.", "deflected, as flame."]}, {"Bold_text": "noun", "List Items": ["any device, as a furnace, embodying reverberation."]}]