You searched for: “torrefaction
torrefaction, torrification (s) (noun), torrefactions (pl)
1. A procedure used to dry or roast with an anaerobic heat treatment: In order to make wood waterproof, a process of torrefaction is necessary.
2. The process of drying by exposure to heat or fire:The procedure of torrefaction involves exposing something to heat or highly acidic material.
3. In pharmacy, the drying or roasting of drugs on a metalline plate, placed over or close to coals of fire: In the course of torrefaction the drugs become friable to the fingers (easily crumbled or pulverized or reduced to powder), or until some other desired effect is produced.