MANGLE n.
in the mangle. The pinion is held to the rack by a groove in such a manner that it passes alternately from one side of the rack to the other, and thus gives motion to it in opposite directions, according to the side in which its teeth are engaged. -- Mangle wheel, a wheel in which the teeth, or pins, on its face, are…
MATTE n.
A partly reduced copper sulphide, obtained by alternately roasting and melting copper ore in separating the metal from associated iron ores, and called coarse metal, fine metal, etc., according to the grade of fineness. On the exterior it is dark brown or black, but on a fresh surface is yellow or bronzy in color.…
MILLING n.
ain is reduced to flour by a succession of crackings, or of slight and partial crushings, alternately with sifting and sorting the product. -- Low milling, milling in which the reduction is effected in a single crushing or grinding. -- Milling cutter, a fluted, sharp-edged rotary cutter for dressing surfaces, as of m…
MUTABILITY n.
The quality of being mutable, or subject to change or alteration, either in form, state, or essential character; susceptibility of change; changeableness; inconstancy; variation. Plato confessed that the heavens and the frame of the world are corporeal, and therefore subject to mutability. Stillingfleet.…