BURNISH v.
ing with something hard and smooth; as, to burnish brass or paper. The frame of burnished steel, that east a glare From far, and seemed to thaw the freezing air. Dryden. Now the village windows blaze, Burnished by the setting sun. Cunningham. Burnishing machine, a machine for smoothing and polishing by compression, as…
BUTT; BUT n.
.), a butt joint, made by welding together the flat ends, or edges, of a piece of iron or steel, or of separate pieces, without having them overlap. See Weld. -- Full butt, headfirst with full force. [Colloq.] "The corporal . . . ran full butt at the lieutenant." Marryat.
CAST IRON n.
the blast furnace; -- used for making castings, and for conversion into wrought iron and steel. It can not be welded or forged, is brittle, and sometimes very hard. Besides carbon, it contains sulphur, phosphorus, silica, etc.