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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.

working together lie in different planes, and have their teeth cut at right angles to the surfaces of two cones whose apices coincide with the point where the axes of the wheels would meet.

A decoration of a flat surface, as of a band or belt, representing circular disks lapping one upon another.

Having the opposite surfaces alike.

That portion of a group of moldings which projects beyond the general surface of a panel; a bolection.

A flat surface, as of a panel or of a fence, on which bills are posted; a bulletin board.

An aëroplane with two main supporting surfaces one above the other.

ohedrons. It is somewhat harder than lead, and rather brittle; masses show broad cleavage surfaces when broken across. It melts at 507º Fahr., being easily fused in the flame of a candle. It is found in a native state, and as a constituent of some minerals. Specific gravity 9.8. Atomic weight 207.5. Symbol Bi.…

generally used by introducing it beneath the part to be divided, and cutting towards the surface.

h. The shell is closed by the contraction of two transverse muscles attached to the inner surface, as in the clam, -- or by one, as in the oyster. See Mollusca.

A broad board painted black, or any black surface on which writing, drawing, or the working of mathematical problems can be done with chalk or crayons. It is much used in schools.