BITUMINOUS a.
, a kind of coal which yields, when heated, a considerable amount of volatile bituminous matter. It burns with a yellow smoky flame. -- Bituminous limestone, a mineral of a brown or black color, emitting an unpleasant smell when rubbed. That of Dalmatia is so charged with bitumen that it may be cut like soap. -- Bitu…
BLANCHARD LATHE n.
circular and irregular forms, as felloes, gun stocks, lasts, spokes, etc., after a given pattern. The pattern and work rotate on parallel spindles in the same direction with the same speed, and the work is shaped by a rapidly rotating cutter whose position is varied by the pattern acting as a cam upon a follower wheel…
BLAST n. 2 definitions
The act of rending, or attempting to rend, heavy masses of rock, earth, etc., by the explosion of gunpowder, dynamite, etc.; also, the charge used for this purpose. "Large blasts are often used." Tomlinson.
BLEACH v.
remove the color, or stains, from; to blanch; to whiten. The destruction of the coloring matters attached to the bodies to be bleached is effected either by the action of the air and light, of chlorine, or of sulphurous acid. Ure. Immortal liberty, whose look sublime Hath bleached the tyrant's cheek in every varying cl…