1. [syn: anneal, temper, normalize]
The Collaborative International Dictionary of English v.0.48:
Anneal \An*neal"\, v. t. [imp. & p. p. Annealed; p. pr. & vb.
n. Annealing.] [OE. anelen to heat, burn, AS. an?lan; an on
+ ?lan to burn; also OE. anelen to enamel, prob. influenced
by OF. neeler, nieler, to put a black enamel on gold or
silver, F. nieller, fr. LL. nigellare to blacken, fr. L.
nigellus blackish, dim. of niger black. Cf. Niello,
1. 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.
2. To heat, as glass, tiles, or earthenware, in order to fix
the colors laid on them.
WordNet (r) 3.0 (2006):
v 1: bring to a desired consistency, texture, or hardness by a
process of gradually heating and cooling; "temper glass"
[syn: anneal, temper, normalize]