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raw material used in smelting; leather is the raw material of the shoe industry. -- Raw pig, cast iron as it comes from the smelting furnace.

A red pigment.

One of the group of pigmented cells which surround the retinophoræ of invertebrates. See Illust. under Ommatidium.

The red pigment contained in the inner segments of the cones of the retina in animals. See Chromophane. W. KÜhne.

A European wild pigeon (Columba palumbus) having a white crescent on each side of the neck, whence the name. Called also wood pigeon, and cushat.

A pig, or other article of food fit for roasting.

tal (Min.), limpid quartz. See Quartz, and under Crystal. -- Rock dove (Zoöl.), the rock pigeon; -- called also rock doo. -- Rock drill, an implement for drilling holes in rock; esp., a machine impelled by steam or compressed air, for drilling holes for blasting, etc. -- Rock duck (Zoöl.), the harlequin duck. -- Ro…

Having a pink color like that of the rose, or like the pigment called rose pink. See Rose pink, under Rose.

A variety of the domestic pigeon, having a ruff of its neck.

A trough or channel for leading molten metal from a furnace to a ladle, mold, or pig bed.

A variety of domestic pigeon, related to the barb and carrier.

A russet color; a pigment of a russet color.

A mixture of salt, coarse meal lime, etc., attractive to pigeons.

any large fungus of the genus Polyporus. See Polyporus. -- Sap green, a dull light green pigment prepared from the juice of the ripe berries of the Rhamnus catharticus, or buckthorn. It is used especially by water-color artists. -- Sap rot, the dry rot. See under Dry. -- Sap sucker (Zoöl.), any one of several specie…

The rock pigeon. See under Pigeon.

One of a breed of fancy frilled pigeons allied to the owls and turbits, having the body white, the shoulders tricolored, and the tail bluish black with a large white spot on each feather.

To ornament, as shells, ivory, etc., by engraving, and (usually) rubbing pigments into the incised lines. [Sailor's cant. U.S.]

The sea pigeon, or guillemot.

A compound of the resinous materials, pigments, etc., used as a material for seals, as for letters, documents, etc.

A pigment prepared from the ink, or black secretion, of the sepia, or cuttlefish. Treated with caustic potash, it has a rich brown color; and this mixed with a red forms Roman sepia. Cf. India ink, under India. Sepia drawing or picture, a drawing in monochrome, made in sepia alone, or in sepia with other brown pigments…