01 v. t. To dry by a fire.
imp. & p. p.
Torrefied; p. pr. & vb. n.
Torrefying
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1.
To dry by a fire.
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2.
To subject to scorching heat, so as to drive off volatile ingredients; to roast, as ores.(Metal.)
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3.
To dry or parch, as drugs, on a metallic plate till they are friable, or are reduced to the state desired.(Pharm.)