Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of triangle is as below...

Triangle :: Triangle (n.) A small constellation situated between Aries and Andromeda.

Three-square :: Three-square (a.) Having a cross section in the form of an equilateral triangle; -- said especially of a kind of file.

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..

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..

Base :: Base (n.) A line in a survey which, being accurately determined in length and position, serves as the origin from which to compute the distances and positions of any points or objects connected with it by a system of triangles..

Wing :: Wing (n.) That part of the hold or orlop of a vessel which is nearest the sides. In a fleet, one of the extremities when the ships are drawn up in line, or when forming the two sides of a triangle..

Octahedron :: Octahedron (n.) A solid bounded by eight faces. The regular octahedron is contained by eight equal equilateral triangles.

Chorograph :: Chorograph (n.) An instrument for constructing triangles in marine surveying, etc..

Obtuse-angular :: obtuse-angular (a.) Having an obtuse angle; as, an obtuse-angled triangle..

Transversal :: Transversal (n.) A straight line which traverses or intersects any system of other lines, as a line intersecting the three sides of a triangle or the sides produced..

Orthocenter :: Orthocenter (n.) That point in which the three perpendiculars let fall from the angles of a triangle upon the opposite sides, or the sides produced, mutually intersect..

Equilateral :: Equilateral (a.) Having all the sides equal; as, an equilateral triangle; an equilateral polygon..

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..

Acute-angled :: Acute-angled (a.) Having acute angles; as, an acute-angled triangle, a triangle with every one of its angles less than a right angle..

Isosceles :: Isosceles (a.) Having two legs or sides that are equal; -- said of a triangle.

Hypothenuse :: Hypothenuse (n.) The side of a right-angled triangle that is opposite to the right angle.

Sphenoid :: Sphenoid (n.) A wedge-shaped crystal bounded by four equal isosceles triangles. It is the hemihedral form of a square pyramid.

Pyramid :: Pyramid (n.) The game of pool in which the balls are placed in the form of a triangle at spot.

Converse :: Converse (n.) A proposition in which, after a conclusion from something supposed has been drawn, the order is inverted, making the conclusion the supposition or premises, what was first supposed becoming now the conclusion or inference. Thus, if two sides of a sides of a triangle are equal, the angles opposite the sides are equal; and the converse is true, i.e., if these angles are equal, the two sides are equal..

Trinity :: Trinity (n.) Any symbol of the Trinity employed in Christian art, especially the triangle..

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