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A wooden flat-bottomed boat, a metallic cylinder, or a frame covered with canvas, India rubber, etc., forming a portable float, used in building bridges quickly for the passage of troops.

A metallic handle with a clasp for holding a crayon.

Hence, basic; metallic; not acid; -- opposed to negative, and said of metals, bases, and basic radicals. Positive crystals (Opt.), a doubly refracting crystal in which the index of refraction for the extraordinary ray is greater than for the ordinary ray, and the former is refracted nearer to the axis than the latter,…

A piece of timber, metal, or other solid substance, fixed, or to be fixed, firmly in an upright position, especially when intended as a stay or support to something else; a pillar; as, a hitching post; a fence post; the posts of a house. They shall take of the blood, and strike it on the two side posts and on the upper…

A metallic or earthen vessel, appropriated to any of a great variety of uses, as for boiling meat or vegetables, for holding liquids, for plants, etc.; as, a quart pot; a flower pot; a bean pot.

Old pot metal. [Obs.] Holland.

fastidious; overnice. [Obs.] Lest that precious folk be with me wroth. Chaucer. Precious metals, the uncommon and highly valuable metals, esp. gold and silver. -- Precious stones, gems; jewels.

A pointed steel punch, to prick a mark on metal.

A nugget of virgin metal.

To apply priming to, as a musket or a cannon; to apply a primer to, as a metallic cartridge.

), with apetalous reddish flowers arranged in long recurved panicled spikes. -- Prince's metal, Prince Rupert's metal. See under Metal. Prince's pine. (Bot.) See Pipsissewa.

ric acid gas over heated slag which has been previously saturated with a solution of some metallic salt, as sulphate of copper. -- Final process (Practice), a writ of execution in an action at law. Burrill. -- In process, in the condition of advance, accomplishment, transaction, or the like; begun, and not completed.…

ion (Alchemy.), a certain powder cast into a crucible or other vessel containing prepared metal or other matter which is to be thereby transmuted into gold. -- Projection of a point on a plane (Descriptive Geom.), the foot of a perpendicular to the plane drawn through the point. -- Projection of a straight line of a…

One who prospects; especially, one who explores a region for minerals and precious metals.

of salmon. It is soluble in water, which an alkaline reaction, and unites with acids and metallic bases.

at one end for different uses, and either solid, for stamping or for perforating holes in metallic plates and other substances, or hollow and sharpedged, for cutting out blanks, as for buttons, steel pens, jewelry, and the like; a die.

To decorate with a wrought or flowered border; to embroider; to ornament with metallic threads; as, to purfle with blue and white. P. Plowman. A goodly lady clad in scarlet red, Purfled with gold and pearl of rich assay. Spenser.

ure or noxious, or heterogeneous or foreign to it; as, the purification of liquors, or of metals.

ure, or imperfection; to free from extraneous or noxious matter; as, to purify liquors or metals; to purify the blood; to purify the air.

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