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Webster 1828 Edition

,. pp. Dried; roasted; scorched. Torrefied earth, in agriculture, is that which has undergone the action of fire.

torrefied ‎(comparative more torrefied, superlative most torrefied)

(obsolete) dried or roasted
(biomass fuel) a biomass fuel like wood that is heated to between 100 and 280 degrees

torrefied