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The pressure or weight of the air at the sea level, on a unit of surface, or about 14.7 Ibs. to the sq. inch. Hydrogen was liquefied under a pressure of 650 atmospheres. Lubbock.

A substance which, by irritating the surface, excites action in the part to which it is applied, as a blister, an epispastic, a sinapism.

; -- said of a rock or strip of shore, or (Naut.) of an anchor, etc., when flush with the surface of the water, so that the waves break over it.

Feathers connecting the under surface of the wing and the body, and concealed by the closed wing.

-- Axis of a lens, the straight line passing through its center and perpendicular to its surfaces. -- Axis of a telescope or microscope, the straight line with which coincide the axes of the several lenses which compose it. -- Axes of coördinates in a plane, to straight lines intersecting each other, to which points…

lptors, builders, and workers in wood or stone, to fill holes, cover defects, or finish a surface.

cates, by weights suspended from one arm, the mutual attraction of oppositely electrified surfaces. Knight. -- Balance fish. (Zoöl) See Hammerhead. -- Balance knife, a carving or table knife the handle of which overbalances the blade, and so keeps it from contact with the table. -- Balance of power. (Politics), such…

Surface; body; substance. [R.] You have touched the very bare of naked truth. Marston.

The line or surface constituting that part of a figure on which it is supposed to stand.

A circular or oval valley, or depression of the surface of the ground, the lowest part of which is generally occupied by a lake, or traversed by a river.

The edge of a geological stratum at the surface of the ground; the outcrop.

The upward direction of a vein in a mine; the emergence of a stratum at the surface.

egree of strength in alcoholic liquor as shown by beads or small bubbles remaining on its surface, or at the side of the glass, when shaken.

A bickern; a bench anvil with a long beak, adapted to reach the interior surface of sheet metal ware; the horn of an anvil.

The horizontal surface of a building stone; as, the upper and lower beds.

Having the striking surface convex; -- said of hammers.

One of certain girdles or zones on the surface of the planets Jupiter and Saturn, supposed to be of the nature of clouds.

in council. -- Bench plane, any plane used by carpenters and joiners for working a flat surface, as jack planes, long planes. -- Bench show, an exhibition of dogs. -- Bench table (Arch.), a projecting course at the base of a building, or round a pillar, sufficient to form a seat.

ted; -- called also Berlin wool. Berlin black, a black varnish, drying with almost a dead surface; -- used for coating the better kinds of ironware. Ure. -- Berlin blue, Prussian blue. Ure. -- Berlin green, a complex cyanide of iron, used as a green dye, and similar to Prussian blue. -- Berlin iron, a very fusible v…

Any angle other than a right angle; the angle which one surface makes with another when they are not at right angles; the slant or inclination of such surface; as, to give a bevel to the edge of a table or a stone slab; the bevel of a piece of timber.