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anneal 音标拼音: [ən'il] n. 退火 退火 anneal v 1: bring to a desired consistency, texture, or hardness by a process of gradually heating and cooling; " temper glass" [ synonym: { anneal}, { temper}, { normalize}] 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}, { Negro}.] 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. [ 1913 Webster] 2. To heat, as glass, tiles, or earthenware, in order to fix the colors laid on them. [ 1913 Webster]
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