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cut down these immense trees, the spoilers... had mined them, and placed a quantity of gunpowder in the cavity. Sir W. Scott.

acids. -- Mineral blue, the name usually given to azurite, when reduced to an impalpable powder for coloring purposes. -- Mineral candle, a candle made of paraffine. -- Mineral caoutchouc, an elastic mineral pitch, a variety of bitumen, resembling caoutchouc in elasticity and softness. See Caoutchouc, and Elaterite.…

, no matter how thoroughly and finely commingled; -- contrasted with a compound; thus, gunpowder is a mechanical mixture of carbon, sulphur, and niter.

A piece of tinder made of agaric, used in firing the powder hose or train of a mine.

A horn or flask for holding powder, as for priming. [Scot.] Sir W. Scott.

d. (a) See Ormolu. -- (b) Stannic sulphide, SnS2, obtained as a yellow scaly crystalline powder, and used as a pigment in bronzing and gilding wood and metal work. It was called by the alchemists aurum musivum, or aurum mosaicum. Called also bronze powder. -- Mosaic work. See Mosaic, n.

hrike. -- Mountain mahogany (Bot.) See under Mahogany. -- Mountain meal (Min.), a light powdery variety of calcite, occurring as an efflorescence. -- Mountain milk (Min.), a soft spongy variety of carbonate of lime. -- Mountain mint. (Bot.) See Mint. -- Mountain ousel (Zoöl.), the ring ousel; -- called also mounta…

To powder; to pulverize. [Prov. Eng.]

A powder or a paste made from the seeds of black or white mustard, used as a condiment and a rubefacient. Taken internally it is stimulant and diuretic, and in large doses is emetic. Mustard oil (Chem.), a substance obtained from mustard, as a transparent, volatile and intensely pungent oil. The name is also extended t…

designating, a complex nitrogenous acid of the alloxan group, obtained as a honey-yellow powder. Its solutions have a gelatinous consistency.

is about 2,775,000,000 miles, and its period of revolution is about 164,78 years. Neptune powder, an explosive containing nitroglycerin, -- used in blasting. -- Neptune's cup (Zoöl.), a very large, cup-shaped, marine sponge (Thalassema Neptuni).

Indian corn parched, and beaten to powder, -- used for food by the Northern American Indians.

An iodine compound obtained as a yellowish gray, odorless, tasteless powder by the action of iodine on phenolphthalein.

, becomes the occasion of the action of the efficient cause; thus, the act of touching gunpowder with fire is the occasional, but not the efficient, cause of an explosion.

Arsenic sesquisulphide, produced artificially as an amorphous lemonyellow powder, and occurring naturally as a yellow crystalline mineral; -- formerly called auripigment. It is used in king's yellow, in white Indian fire, and in certain technical processes, as indigo printing. Our orpiment and sublimed mercurie. Chauce…

ed from alloxan (or when urea is fused with ethyl oxamate), as a stable white crystalline powder; -- called also oxaluramide.

Ethyl oxamate, obtained as a white scaly crystalline powder.

Pertaining to, or designating, an acid NH2.C2O2.HO obtained as a fine crystalline powder, intermediate between oxalic acid and oxamide. Its ammonium salt is obtained by boiling oxamide with ammonia.

and on the Pacific coast of America. Called also pearl shell, and pearl mussel. -- Pearl powder. See Pearl white, below. -- Pearl sago, sago in the form of small pearly grains. -- Pearl sinter (Min.), fiorite. -- Pearl spar (Min.), a crystallized variety of dolomite, having a pearly luster. -- Pearl white. (a) Bas…

arent and colorless rock crystal; as, Brazilian pebble; -- so called by opticians. Pebble powder, slow-burning gunpowder, in large cubical grains. -- Scotch pebble, varieties of quartz, as agate, chalcedony, etc., obtained from cavities in amygdaloid.