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A superficial covering; a coating.

t of a seed. It grows from a placenta, and consists of a soft nucleus within two delicate coatings. The attached base of the ovule is the hilum, the coatings are united with the nucleus at the chalaza, and their minute orifice is the foramen.

substance obtained by boiling down tar. It is used in calking the seams of ships; also in coating rope, canvas, wood, ironwork, etc., to preserve them. He that toucheth pitch shall be defiled therewith. Ecclus. xiii. 1.

A composition of lime, water, and sand, with or without hair as a bond, for coating walls, ceilings, and partitions of houses. See Mortar.

A sheet of glass, porcelain, metal, etc., with a coating that is sensitive to light.

A thin coating of metal laid upon another metal.

The art or process of coating the inside of glass vessels with engravings or paintings, so as to give them the appearance of painted ware.

The first coating of plaster in work of three coats upon laths. Its surface is scratched once to form a better key for the next coat. In the United States called scratch coat. Brande & C.

To lay the first color, coating, or preparation upon (a surface), as in painting; as, to prime a canvas, a wall.

The first coating of color, size, or the like, laid on canvas, or on a building, or other surface.

A coating of strands of rope for a water vessel.

The reddish yellow coating formed on iron when exposed to moist air, consisting of ferric oxide or hydroxide; hence, by extension, any metallic film of corrosion.

. See Illust. under Anomura. -- Sand canal (Zoöl.), a tubular vessel having a calcareous coating, and connecting the oral ambulacral ring with the madreporic tubercle. It appears to be excretory in function. -- Sand cock (Zoöl.), the redshank. [Prov. Eng.] -- Sand collar. (Zoöl.) Same as Sand saucer, below. -- Sand…

ce of iron forgings. It consists esentially of the magnetic oxide, Fe3O4. Also, a similar coating upon other metals. Covering scale (Zoöl.), a hydrophyllium. -- Ganoid scale (Zoöl.) See under Ganoid. -- Scale armor (Mil.), armor made of small metallic scales overlapping, and fastened upon leather or cloth. -- Scale…

One of certain minute coiled threads in the coating of some seeds. When moistened these threads protrude in great numbers. Gray.

To remove the metal coating from (a plated article), as by acids or electrolytic action.

Plaster of any kind used as a coating for walls, especially, a fine plaster, composed of lime or gypsum with sand and pounded marble, used for internal decorations and fine work.

The inner layer of the coating of a seed, usually thin and delicate; the endopleura.

The act, art, or process of covering or coating anything with melted tin, or with tin foil, as kitchen utensils, locks, and the like.

cloth with much gold or silver woven into it; also, very thin metal overlaid with a thin coating of gold or silver, brass foil, or the like. Who can discern the tinsel from the gold Dryden.