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