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The end or edge of a vein nearest the surface. [U.S.] Apex of the earth's motion (Astron.), that point of the heavens toward which the earth is moving in its orbit.

tes, usually occurring in square prisms or octahedrons with pearly luster on the cleavage surface. It is a hydrous silicate of calcium and potassium.

c of non vascular tissues, in which nutritive matter from the blood is transformed on the surface of an organ into solid unorganized substance.

Australia. The wood cells differ from those of other in having the dots in their lateral surfaces in two or three rows, and the dots of contiguous rows alternating. The seeds are edible.

Any plane surface, as of the floor of a room or church, or of the ground within an inclosure; an open space in a building. The Alban lake . . . looks like the area of some vast amphitheater. Addison.

An interstice or small space, as between the cracks of the surface in certain crustaceous lichens; or as between the fibers composing organs or vessels that interlace; or as between the nervures of an insect's wing.

y, purity, innocence, beauty, or gentleness; -- represented in engraving by a plain white surface. Weale.

A variety of twilled fabric ribbed on the surface.

The sharp edge or salient angle formed by two surfaces meeting each other, whether plane or curved; -- applied particularly to the edges in moldings, and to the raised edges which separate the flutings in a Doric column. P. Cyc. Arris fillet, a triangular piece of wood used to raise the slates of a roof against a chimn…

A peculiar transparent worm of the genus Sagitta, living at the surface of the sea. See Sagitta.

A form of diarthrodial articulation in which the articular surfaces are nearly flat, so that they form only an imperfect ball and socket.

To make rough or uneven. The asperated part of its surface. Boyle.

Roughness of surface; unevenness; -- opposed to smoothness. "The asperities of dry bodies." Boyle.

Having an indefinite number of small charges scattered or strewed over the surface. Cussans.

or compact native bitumen. It is brittle, of a black or brown color and high luster on a surface of fracture; it melts and burns when heated, leaving no residue. It occurs on the surface and shores of the Dead Sea, which is therefore called Asphaltites, or the Asphaltic Lake. It is found also in many parts of Asia, Eu…

or is said to be astay, in heaving it, an acute angle is formed between the cable and the surface of the water.

A convex molding of rounded surface, generally from half to three quarters of a circle.

An old astronomical instrument, formed of two cones, on whose surface the constellations were delineated.

A genus of small glassy heteropod mollusks found swimming at the surface in mid ocean. See Heteropod.

An instrument for measuring the rate of evaporation from a moist surface; an evaporometer. Huxley.