Torrefy
Torrefy , transitive verb
[Latin torrere to parch + -fy: compare French torréfier, Latin torrefacere.]
1.
To dry by a fire. — Sir T. Browne
2.
(Metallurgy) To subject to scorching heat, so as to drive off volatile ingredients; to roast, as ores.
3.
(Pharmacy) To dry or parch, as drugs, on a metallic plate till they are friable, or are reduced to the state desired.