roasting definition
roasting means the heat treatment that produces fundamental chemical and physical changes in the structure and composition of green coffee, bringing about darkening of the beans and the development of the characteristic flavour of roasted coffee;
roasting means a technological operation in which slurry is subjected to high temperature in the presence of oxygen with the goal to burn sulphide particles enveloping gold particles and make slurry amenable to cyanide leaching;
roasting means the use of a furnace to heat arsenic plant feed material for the purpose of eliminating a significant portion of the volatile materials contained in the feed.