Anneal :: Anneal (v. t.) To subject to great heat, and then cool slowly, as glass, cast iron, steel, or other metal, for the purpose of rendering it less brittle; to temper; to toughen..
Anneal :: Anneal (v. t.) To heat, as glass, tiles, or earthenware, in order to fix the colors laid on them..
Annealing :: Annealing (n.) The process used to render glass, iron, etc., less brittle, performed by allowing them to cool very gradually from a high heat..
Annealing :: Annealing (n.) The burning of metallic colors into glass, earthenware, etc..