1. To dry by a fire.

2. (Science: chemistry) To subject to scorching heat, so as to drive off volatile ingredients; to roast, as ores.

3. (Science: pharmacology) To dry or parch, as drugs, on a metallic plate till they are friable, or are reduced to the state desired.

Origin: L. Torrere to parch _ -fy: cf. F. Torrefier, L. Torrefacere

Alternative forms: torrify.

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