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the Vocabulary. -- Oblique or Scalene cone, a cone of which the axis is inclined to the plane of its base. -- Eight cone. See Cone, 1.

Relative position or aspect of the planets; the face of the horoscope, according to the relative positions of the planets at any time. They [astrologers] undertook . . . to determine the course of a man's character and life from the configuration of the stars at the moment of his birth. Whewell.

n (Geom.), a curved line formed by the intersection of the surface of a right cone and a plane. The conic sections are the parabola, ellipse, and hyperbola. The right lines and the circle which result from certain positions of the plane are sometimes, though not generally included. -- Conic sections, that branch of ge…

The meeting of two or more stars or planets in the same degree of the zodiac; as, the conjunction of the moon with the sun, or of Jupiter and Saturn. See the Note under Aspect, n., 6.

always to meet a given straight line and a given curve, and continue parallel to a given plane. Math. Dict.

urke. Conservation of areas (Astron.), the principle that the radius vector drawn from a planet to the sun sweeps over equal areas in equal times. -- Conservation of energy, or Conservation of force (Mech.), the principle that the total energy of any material system is a quantity which can neither be increased nor dim…

The plane between two adjacent bodies of dissimilar rock. Raymond. Contact level, a delicate level so pivoted as to tilt when two parts of a measuring apparatus come into contact with each other; -- used in precise determinations of lengths and in the accurate graduation of instruments.

s undulation, etc. -- Contour line (Topographical Suv.), the line in which a horizontal plane intersects a portion of ground, or the corresponding line in a map or chart.

of qualities. The joints which divide the sandstone contrast finely with the divisional planes which separate the basalt into pillars. Lyell.

position of any point, as of a curve, is defined with respect to certain fixed lines, or planes, called coördinate axes and coördinate planes. See Abscissa.

Situated in one plane.

d to support, lift, or carry ships or other vessels, heavy guns, etc., as up an inclined plane, or across a strip of land, or in launching a ship.

A bend, turn, or curve; curvature; flexure. Through lanes, and crooks, and darkness. Phaer.

ing or planing. If the stuff proves crossgrained, . . . then you must turn your stuff to plane it the contrary way. Moxon.

A wheel with cogs or teeth set at right angles to its plane; -- called also a contrate wheel or face wheel.

sume in solidifying, through the inherent power of cohesive attraction. It is bounded by plane surfaces, symmetrically arranged, and each species of crystal has fixed axial ratios. See Crystallization.

same number. See Cube. -- Cubical parabola (Geom.), two curves of the third degree, one plane, and one on space of three dimensions.

A small central plane in the back of a cut gem. See Collet, 3 (b).

Shortened or reduced; -- said of the distance of a planet from the sun or earth, as measured in the plane of the ecliptic, or the distance from the sun or earth to that point where a perpendicular, let fall from the planet upon the plane of the ecliptic, meets the ecliptic. Curtate cycloid. (Math.) See Cycloid.…

The interval by which the curtate distance of a planet is less than the true distance.