Definition of triangle

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Triangle (n.) An instrument of percussion, usually made of a rod of steel, bent into the form of a triangle, open at one angle, and sounded by being struck with a small metallic rod..

Lern More About Triangle

Pentacle :: Pentacle (n.) A figure composed of two equilateral triangles intersecting so as to form a six-pointed star, -- used in early ornamental art, and also with superstitious import by the astrologers and mystics of the Middle Ages..
Pyramid :: Pyramid (n.) The game of pool in which the balls are placed in the form of a triangle at spot.
Subtense :: Subtend (v. t.) To extend under, or be opposed to; as, the line of a triangle which subtends the right angle; the chord subtends an arc..
Circumcenter :: Circumcenter (n.) The center of a circle that circumscribes a triangle.
Cuproid :: Cuproid (n.) A solid related to a tetrahedron, and contained under twelve equal triangles..
Trinity :: Trinity (n.) Any symbol of the Trinity employed in Christian art, especially the triangle..
Subcontrary :: Subcontrary (a.) Having, or being in, a contrary order; -- said of a section of an oblique cone having a circular base made by a plane not parallel to the base, but so inclined to the axis that the section is a circle; applied also to two similar triangles when so placed as to have a common angle at the vertex, the opposite sides not being parallel..
Escribed :: Escribed (a.) Drawn outside of; -- used to designate a circle that touches one of the sides of a given triangle, and also the other two sides produced..
Trigon :: Trigon (n.) A kind of game at ball played by three persons standing at the angular points of a triangle.
Chorograph :: Chorograph (n.) An instrument for constructing triangles in marine surveying, etc..
Side :: Side (n.) The margin, edge, verge, or border of a surface; especially (when the thing spoken of is somewhat oblong in shape), one of the longer edges as distinguished from the shorter edges, called ends; a bounding line of a geometrical figure; as, the side of a field, of a square or triangle, of a river, of a road, etc..
Triangularly :: Triangularly (adv.) In a triangular manner; in the form of a triangle.
Spherograph :: Spherograph (n.) An instrument for facilitating the practical use of spherics in navigation and astronomy, being constructed of two cardboards containing various circles, and turning upon each other in such a manner that any possible spherical triangle may be readily found, and the measures of the parts read off by inspection..
Triangle :: Triangle (n.) A kind of frame formed of three poles stuck in the ground and united at the top, to which soldiers were bound when undergoing corporal punishment, -- now disused..
Triangle :: Triangle (n.) A draughtsman's square in the form of a right-angled triangle.
Revolution :: Revolution (n.) The motion of a point, line, or surface about a point or line as its center or axis, in such a manner that a moving point generates a curve, a moving line a surface (called a surface of revolution), and a moving surface a solid (called a solid of revolution); as, the revolution of a right-angled triangle about one of its sides generates a cone; the revolution of a semicircle about the diameter generates a sphere..
Transmutation :: Transmutation (n.) The change or reduction of one figure or body into another of the same area or solidity, but of a different form, as of a triangle into a square..
Triangle :: Triangle (n.) A small constellation near the South Pole, containing three bright stars..
Triangulate :: Triangulate (v. t.) To divide into triangles; specifically, to survey by means of a series of triangles properly laid down and measured..
Cathetus :: Cathetus (n.) One line or radius falling perpendicularly on another; as, the catheti of a right-angled triangle, that is, the two sides that include the right angle..
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