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One engaged in the business of digging mineral coal or making charcoal, or in transporting or dealing in coal.

A powdered substance, as charcoal, bituminous coal, ect., applied to the face of a mold, or mixed with the sand that forms it, to give a fine smooth surface to the casting.

Any porous substance, as cloth, paper, sand, or charcoal, through which water or other liquid may passed to cleanse it from the solid or impure matter held in suspension; a chamber or device containing such substance; a strainer; also, a similar device for purifying air. Filter bed, a pond, the bottom of which is a fil…

A charcoal hearth or furnace for the conversion of cast iron into wrought iron, or into iron suitable for puddling.

on; also (Metal.), the conversion of cast iron into suitable for puddling, in a hearth or charcoal fire.

Fine charcoal of willow wood, used as a drawing implement.

white alloys. -- German steel (Metal.), a metal made from bog iron ore in a forge, with charcoal for fuel. -- German text (Typog.), a character resembling modern German type, used in English printing for ornamental headings, etc., as in the words,

eeds of a species of amomum. -- grain tin, crystalline tin ore metallic tin smelted with charcoal. -- Grain weevil (Zoöl.), a small red weevil (Sitophilus granarius), which destroys stored wheat and othar grain, by eating out the interior. -- Grain worm (Zoöl.), the larva of the grain moth. See grain moth, above. -…

ck, granular, explosive substance, consisting of an intimate mechanical mixture of niter, charcoal, and sulphur. It is used in gunnery and blasting.

An explosive mixture, consisting of sawdust, charcoal, niter, and ferrocyanide of potassium, used as a substitute for gunpowder.

terite. -- Mineral chameleon (Chem.) See Chameleon mineral, under Chameleon. -- Mineral charcoal. See under Charcoal. -- Mineral cotton. See Mineral wool (below). -- Mineral green, a green carbonate of copper; malachite. -- Mineral kingdom (Nat. Sci.), that one of the three grand divisions of nature which embraces…

hysics), the phenomenon of absorbing gases, as exhibited by platinum, palladium, iron, or charcoal; thus, palladium absorbs, or occludes, nearly a thousand times its own volume of hydrogen, and in this case a chemical compound seems to be formed.

as, a stone pit; a gravel pit; or in which material is made by burning; as, a lime pit; a charcoal pit.

A manure made from night soil, dried and mixed with charcoal, gypsum, etc.

Charcoal dust, or some other colored powder for making patterns through perforated designs, -- used by embroiderers, lace makers, etc. Pounce box, a box for sprinkling pounce. -- Pounce paper, a transparent paper for tracing.

ulphuric acid, reducing the sodium sulphate so formed to sodium sulphide by roasting with charcoal, and converting the sodium sulphide to sodium carbonate by roasting with lime. -- Mesne process. See under Mesne. -- Process milling, the process of high milling for grinding flour. See under Milling. -- Reversible pro…

esce or ignite spontaneously on exposure to air, as a heated mixture of alum, potash, and charcoal, or a mixture of charcoal and finely divided lead.

al case of paper or metal filled with a composition of combustible ingredients, as niter, charcoal, and sulphur, and fastened to a guiding stick. The rocket is projected through the air by the force arising from the expansion of the gases liberated by combustion of the composition. Rockets are used as projectiles for v…

A metal urn used in Russia for making tea. It is filled with water, which is heated by charcoal placed in a pipe, with chimney attached, which passes through the urn.

y which mineral coal was formerly designated in the south of England, in distinction from charcoal, which was brought by land. Sea-coal facing (Founding), facing consisting of pulverized bituminous coal.