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Having no parallel, or equal; unequaled; unmatched. The unparalleled perseverance of the armies of the United States, under every suffering and discouragement, was little short of a miracle. Washington.

dies. -- Accidental point (Persp.), the point in which a right line, drawn from the eye, parallel to a given right line, cuts the perspective plane; so called to distinguish it from the principal point, or point of view, where a line drawn from the eye perpendicular to the perspective plane meets this plane. -- Accid…

Having a cleavage parallel with the base.

A small circle of the sphere parallel to the horizon; a circle or parallel of altitude. Two stars which have the same almucantar have the same altitude. See Almacantar. [Archaic] Almucanter staff, an ancient instrument, having an arc of fifteen degrees, formerly used at sea to take observations of the sun's amplitude a…

, the internal and angles made by two lines with a third, on opposite sides of it. It the parallels AB, CD, are cut by the line EF, the angles AGH, GHD, as also the angles BGH and GHC, are called alternate angles. -- Alternate generation. (Biol.) See under Generation.

The perpendicular distance from the base of a figure to the summit, or to the side parallel to the base; as, the altitude of a triangle, pyramid, parallelogram, frustum, etc.

A species in one genus or group having its characters parallel, one by one, with those of another group.

short. They also assume different positions when resting, Culex usually holding the body parallel to the surface on which it rests and keeping the head and beak bent at an angle, while Anopheles holds the body at an angle with the surface and the head and beak in line with it. Unless they become themselves infected by…

Those who live under the same meridian, but on opposite parallels of latitude, north and south of the equator.

mechanical powers. -- Axis of a curve (Geom.), a straight line which bisects a system of parallel chords of a curve; called a principal axis, when cutting them at right angles, in which case it divides the curve into two symmetrical portions, as in the parabola, which has one such axis, the ellipse, which has two, or…

A blue color, represented in engraving by horizontal parallel lines.

within which the cue balls are placed in beginning a game; also, a line around the table, parallel to the sides, used in playing a particular game, called the balk line game.

forming, the base. Basal cleavage. See under Cleavage. -- Basal plane (Crystallog.), one parallel to the lateral or horizontal axis.

A ray or collection of parallel rays emitted from the sun or other luminous body; as, a beam of light, or of heat. How far that little candle throws his beams ! Shak.

or the mind. A circle is more beautiful than a square; a square is more beautiful than a parallelogram. Lord Kames.

s, gun stocks, lasts, spokes, etc., after a given pattern. The pattern and work rotate on parallel spindles in the same direction with the same speed, and the work is shaped by a rapidly rotating cutter whose position is varied by the pattern acting as a cam upon a follower wheel traversing slowly along the pattern.…

rd the face of the wall, called headers, and the next course of bricks with their lengths parallel to the face of the wall, called stretchers; Flemish bond (Fig.2), where each course consists of headers and stretchers alternately, so laid as always to break joints; Cross bond, which differs from the English by the chan…

The face of coal parallel to the natural fissures.

A dome parallel to the shorter lateral axis. See Dome.

A plane of an orthorhombic crystal which is parallel both to the vertical axis and to the shorter lateral (brachydiagonal) axis.