01 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; t…
imp. & p. p.
Annealed; p. pr. & vb. n.
Annealing
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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.
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2.
To heat, as glass, tiles, or earthenware, in order to fix the colors laid on them.