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Triangular

Triangular Tri*an"gu*lar, a. [L. triangularis: cf. F. triangulaire.] 1. Having three angles; having the form of a triangle. 2. (Bot.) Oblong or elongated, and having three lateral angles; as, a triangular seed, leaf, or stem. Triangular compasses, compasses with three legs for taking off the angular points of a triangle, or any three points at the same time. Triangular crab (Zo["o]l.), any maioid crab; -- so called because the carapace is usually triangular. Triangular numbers (Math.), the series of numbers formed by the successive sums of the terms of an arithmetical progression, of which the first term and the common difference are 1. See Figurate numbers, under Figurate.

Triangular Tri*an"gu*lar, a. [L. triangularis: cf. F. triangulaire.] 1. Having three angles; having the form of a triangle. 2. (Bot.) Oblong or elongated, and having three lateral angles; as, a triangular seed, leaf, or stem. Triangular compasses, compasses with three legs for taking off the angular points of a triangle, or any three points at the same time. Triangular crab (Zo["o]l.), any maioid crab; -- so called because the carapace is usually triangular. Triangular numbers (Math.), the series of numbers formed by the successive sums of the terms of an arithmetical progression, of which the first term and the common difference are 1. See Figurate numbers, under Figurate.

Triangular

Compasses Com"pass*es, n., pl. An instrument for describing circles, measuring figures, etc., consisting of two, or (rarely) more, pointed branches, or legs, usually joined at the top by a rivet on which they move. Note: The compasses for drawing circles have adjustable pen points, pencil points, etc.; those used for measuring without adjustable points are generally called dividers. See Dividers. Bow compasses. See Bow-compass. Caliber compasses, Caliper compasses. See Calipers. Proportional, Triangular, etc., compasses. See under Proportional, etc.

Compasses Com"pass*es, n., pl. An instrument for describing circles, measuring figures, etc., consisting of two, or (rarely) more, pointed branches, or legs, usually joined at the top by a rivet on which they move. Note: The compasses for drawing circles have adjustable pen points, pencil points, etc.; those used for measuring without adjustable points are generally called dividers. See Dividers. Bow compasses. See Bow-compass. Caliber compasses, Caliper compasses. See Calipers. Proportional, Triangular, etc., compasses. See under Proportional, etc.

- or geometric barycenter, usually denoted by G. The centroid of a rigid triangular object (cut out of a thin sheet of uniform density) is also its center...

- A triangular number or triangle number counts objects arranged in an equilateral triangle. Triangular numbers are a type of figurate number, other examples...

- Triangular trade or triangle trade is a historical term indicating trade among three ports or regions. Triangular trade usually evolves when a region...

- The triangular space (also known as the medial triangular space, upper triangular space, medial axillary space or foramen omotricipitale) is one of the...

- In mathematics, a triangular matrix is a special kind of square matrix. A square matrix is called lower triangular if all the entries above the main diagonal...

- In geometry, a triangular prism or trigonal prism is a prism with 2 triangular bases. If the edges pair with each triangle's vertex and if they are perpendicular...

- The triangular fibrocartilage complex (TFCC) is formed by the triangular fibrocartilage discus (TFC), the radioulnar ligaments (RULs) and the ulnocarpal...

- tetrahedra or tetrahedrons), also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertices...

- In geometry, the triangular bipyramid is the hexahedron with six triangular faces, constructed by attaching two tetrahedra face-to-face. The same shape...

- A triangular division is a designation given to the way military divisions are organized. In a triangular organization, the division's main body is composed...

- A triangular number or triangle number counts objects arranged in an equilateral triangle. Triangular numbers are a type of figurate number, other examples...

- Triangular trade or triangle trade is a historical term indicating trade among three ports or regions. Triangular trade usually evolves when a region...

- The triangular space (also known as the medial triangular space, upper triangular space, medial axillary space or foramen omotricipitale) is one of the...

- In mathematics, a triangular matrix is a special kind of square matrix. A square matrix is called lower triangular if all the entries above the main diagonal...

- In geometry, a triangular prism or trigonal prism is a prism with 2 triangular bases. If the edges pair with each triangle's vertex and if they are perpendicular...

- The triangular fibrocartilage complex (TFCC) is formed by the triangular fibrocartilage discus (TFC), the radioulnar ligaments (RULs) and the ulnocarpal...

- tetrahedra or tetrahedrons), also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertices...

- In geometry, the triangular bipyramid is the hexahedron with six triangular faces, constructed by attaching two tetrahedra face-to-face. The same shape...

- A triangular division is a designation given to the way military divisions are organized. In a triangular organization, the division's main body is composed...

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