An afterburner.
To become hot again after having cooled off (also in figurative senses).
To heat something after it has cooled off, especially previously cooked food (also in figurative senses).
Any small anadromous fish of the family Osmeridae, found in the Atlantic and Pacific Oceans and in lakes in North America and northern part of Europe.
Production of metal, especially iron, from ore in a process that involves melting and chemical reduction of metal compounds into purified metal.
Any of the various liquids or semi-molten solids produced and used during the course of such production.
To fuse or melt two things into one, especially in order to extract metal from ore; to meld.