MANGANESE n.
An element obtained by reduction of its oxide, as a hard, grayish white metal, fusible with difficulty, but easily oxidized. Its ores occur abundantly in nature as the minerals pyrolusite, manganite, etc. Symbol Mn. Atomic weight 54.8.
MANILA; MANILLA a.
igar made of tobacco grown in the Philippine Islands. -- Manila hemp, a fibrous material obtained from the Musa textilis, a plant allied to the banana, growing in the Philippine and other East India islands; -- called also by the native name abaca. From it matting, canvas, ropes, and cables are made. -- Manila paper,…
MARKET n.
An opportunity for selling anything; demand, as shown by price offered or obtainable; a town, region, or country, where the demand exists; as, to find a market for one's wares; there is no market for woolen cloths in that region; India is a market for English goods. There is a third thing to be considered: how a market…
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.…
MECHANICAL a.
Obtained by trial, by measurements, etc.; approximate; empirical. See the 2d Note under Geometric. Mechanical effect, effective power; useful work exerted, as by a machine, in a definite time. -- Mechanical engineering. See the Note under Engineering. -- Mechanical maneuvers (Mil.), the application of mechanical appl…