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An explosive mixture used in gunnery, blasting, etc.; gunpowder. See Gunpowder. Atlas powder, Baking powder, etc. See under Atlas, Baking, etc. -- Powder down (Zoöl.), the peculiar dust, or exfoliation, of powder-down feathers. -- Powder-down feather (Zoöl.), one of a peculiar kind of modified feathers which sometime…

Grass-green; clear, lively green, without any mixture. Lindley.

A kind of highly sized rag paper or board, sometimes containing a small admixture of wood pulp; -- so called because used originally, as now, in presses for pressing and finishing knit underwear.

A fine, white, somewhat friable clay; also, the ore contained in a mixture of clay and pebbles. [Written also pryan.]

-- Proof sheet. See Proof, n., 5. -- Proof spirit (Chem.), a strong distilled liquor, or mixture of alcohol and water, containing not less than a standard amount of alcohol. In the United States "proof spirit is defined by law to be that mixture of alcohol and water which contains one half of its volume of alcohol, th…

Dry food for domestic animals, as hay, straw, corn, oats, or a mixture of ground grain; feed. "Hay or other provender." Mortimer. Good provender laboring horses would have. Tusser.

Clay, or a mixture of clay and sand, kneaded or worked, when wet, to render it impervious to water. Puddle poet, a low or worthless poet. [R.] Fuller.

An apparatus for producing artificial respiration by pumping oxygen or air or a mixture of the two into and out of the lungs, as of a person who has been asphyxiated by drowning, breathing poisonous gases, or the like, or of one who has been stunned by an electrical shock.

Separate from all heterogeneous or extraneous matter; free from mixture or combination; clean; mere; simple; unmixed; as, pure water; pure clay; pure air; pure compassion. The pure fetters on his shins great. Chaucer. A guinea is pure gold if it has in it no alloy. I. Watts.

To make pure or clear from material defilement, admixture, or imperfection; to free from extraneous or noxious matter; as, to purify liquors or metals; to purify the blood; to purify the air.

freedom from foreign admixture or deleterious matter; as, the purity of water, of wine, of drugs, of metals.

An albuminoid constituent of pus, related to mucin, possibly a mixture of substances rather than a single body.

Any one of several substances or mixtures which phosphoresce 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.

omewhat resembling pewter or britannia, and consisting essentially of tin with a slight admixture of antimony, bismuth, and lead or copper. -- Queen's pigeon. (Zoöl.) Same as Queen pigeon, above. -- Queen's ware, glazed English earthenware of a cream color. -- Queen's yellow (Old Chem.), a heavy yellow powder consis…

us substance obtained as a by-product in the treatment of cinchona bark. It consists of a mixture of several alkaloids. [Written also chinoidine.]

A mixture of cheese, eggs, etc., formed in a mold, or served on bread. [Written also ramekin.]

An inferior kind of silk, or mixture of silk and worsted. [Obs.] Donne.

A formulary or prescription for making some combination, mixture, or preparation of materials; a receipt; especially, a prescription for medicine.

A mixture of volatile hydrocarbons intermediate between gsolene and cymogene. It is obtained in the purification of crude petroleum, and is used as a refregerant.

A complex nitrogenous base, C20H21N3O, obtained by oxidizing a mixture of aniline and toluidine, as a colorless crystalline substance which forms red salts. These salts are essential components of many of the socalled aniline dyes, as fuchsine, aniline red, etc. By extension, any one of the series of substances derived…