torrefy

torrefy is defined in Webster's Unabridged Dictionary (1913) with 2 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.(Metal.) To subject to scorching heat, so as to drive off volatile ingredients; to roast, as ores.
  2. 2.(Pharm.) To dry or parch, as drugs, on a metallic plate till they are friable, or are reduced to the state desired.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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