Akademik

anneal
v. & n.
—v.tr.
1 heat (metal or glass) and allow it to cool slowly, esp. to toughen it.
2 toughen.
—n. treatment by annealing.
Derivatives:
annealer n.
Etymology: OE onaeliglan f. on + aeliglan burn, bake f. al fire

Useful english dictionary. 2012.