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...

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..

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

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..

Produce :: Produce (v. t.) To extend; -- applied to a line, surface, or solid; as, to produce a side of a triangle..

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..

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

Trigonometry :: Trigonometry (n.) That branch of mathematics which treats of the relations of the sides and angles of triangles, which the methods of deducing from certain given parts other required parts, and also of the general relations which exist between the trigonometrical functions of arcs or angles..

Scalene :: Scalene (a.) Having the sides and angles unequal; -- said of a triangle.

Right-angled :: Right-angled (a.) Containing a right angle or right angles; as, a right-angled triangle..

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..

Altitude :: Altitude (n.) 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..

Cepheus :: Cepheus (n.) A northern constellation near the pole. Its head, which is in the Milky Way, is marked by a triangle formed by three stars of the fourth magnitude. See Cassiopeia..

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

Triquadrantal :: Triquadrantal (a.) Having three quadrants; thus, a triquadrantal triangle is one whose three sides are quadrants, and whose three angles are consequently right angles..

Pyramid :: Pyramid (n.) A solid figure contained by a plane rectilineal figure as base and several triangles which have a common vertex and whose bases are sides of the base.

Triangle :: Triangle (n.) A small constellation near the South Pole, containing three bright stars..

Scalene :: Scalene (n.) A triangle having its sides and angles unequal.

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..

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

Equivalent :: Equivalent (a.) Equal in measure but not admitting of superposition; -- applied to magnitudes; as, a square may be equivalent to a triangle..

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