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Double-charge :: Double-charge (v. t.) To load with a double charge, as of gunpowder..

Saleratus :: Saleratus (n.) Aerated salt; a white crystalline substance having an alkaline taste and reaction, consisting of sodium bicarbonate (see under Sodium.) It is largely used in cooking, with sour milk (lactic acid) or cream of tartar as a substitute for yeast. It is also an ingredient of most baking powders, and is used in the preparation of effervescing drinks..

Powdering :: Powdering () a. & n. from Powder, v. t..

Stamp :: Stamp (v. t.) A kind of heavy hammer, or pestle, raised by water or steam power, for beating ores to powder; anything like a pestle, used for pounding or bathing..

Lycopode :: Lycopode (n.) Same as Lycopodium powder. See under Lycopodium.

Wad :: Wad (n.) Specifically: A little mass of some soft or flexible material, such as hay, straw, tow, paper, or old rope yarn, used for retaining a charge of powder in a gun, or for keeping the powder and shot close; also, to diminish or avoid the effects of windage. Also, by extension, a dusk of felt, pasteboard, etc., serving a similar purpose..

Emery :: Emery (n.) Corundum in the form of grains or powder, used in the arts for grinding and polishing hard substances. Native emery is mixed with more or less magnetic iron. See the Note under Corundum..

Glyoxal :: Glyoxal (n.) A white, amorphous, deliquescent powder, (CO.H)2, obtained by the partial oxidation of glycol. It is a double aldehyde, between glycol and oxalic acid..

Bergmeal :: Bergmeal (n.) An earthy substance, resembling fine flour. It is composed of the shells of infusoria, and in Lapland and Sweden is sometimes eaten, mixed with flour or ground birch bark, in times of scarcity. This name is also given to a white powdery variety of calcite..

Explosion :: Explosion (n.) The act of exploding; detonation; a chemical action which causes the sudden formation of a great volume of expanded gas; as, the explosion of gunpowder, of fire damp,etc..

Oxamethane :: Oxamethane (n.) Ethyl oxamate, obtained as a white scaly crystalline powder..

Powder :: Powder (v. t.) To sprinkle with salt; to corn, as meat..

Columbiad :: Columbiad (n.) A form of seacoast cannon; a long, chambered gun designed for throwing shot or shells with heavy charges of powder, at high angles of elevation..

Ringworm :: Ringworm (n.) A contagious affection of the skin due to the presence of a vegetable parasite, and forming ring-shaped discolored patches covered with vesicles or powdery scales. It occurs either on the body, the face, or the scalp. Different varieties are distinguished as Tinea circinata, Tinea tonsurans, etc., but all are caused by the same parasite (a species of Trichophyton)..

Calcine :: Calcine (v. i.) To be converted into a powder or friable substance, or into a calx, by the action of heat..

Zirconium :: Zirconium (n.) A rare element of the carbon-silicon group, intermediate between the metals and nonmetals, obtained from the mineral zircon as a dark sooty powder, or as a gray metallic crystalline substance. Symbol Zr. Atomic weight, 90.4..

Mycomelic :: Mycomelic (a.) Pertaining to, or designating, a complex nitrogenous acid of the alloxan group, obtained as a honey-yellow powder. Its solutions have a gelatinous consistency..

Cementation :: Cementation (n.) A process which consists in surrounding a solid body with the powder of other substances, and heating the whole to a degree not sufficient to cause fusion, the physical properties of the body being changed by chemical combination with powder; thus iron becomes steel by cementation with charcoal, and green glass becomes porcelain by cementation with sand..

Granulate :: Granulate (v. t.) To form into grains or small masses; as, to granulate powder, sugar, or metal..

Thionine :: Thionine (n.) An artificial red or violet dyestuff consisting of a complex sulphur derivative of certain aromatic diamines, and obtained as a dark crystalline powder; -- called also phenylene violet..

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