a vessel, commonly a glass bulb with a long neck bent downward, used for distilling or decomposing substances by heat.
a refractory chamber, generally cylindrically shaped, within which some substance, as ore or coal, is heated as part of a smelting or manufacturing process.
an airtight, usually cylindrical vessel of fire clay or iron, used in the destructive distillation chiefly of coal and wood in the manufacture of illuminating gas.
a sterilizer for food cans.
—v.t.
to sterilize food after it is sealed in a container, by steam or other heating methods.
to subject (shale, ore, etc.) to heat and possibly reduced pressure in order to produce fuel oil, metal, etc.