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четырехгранник - translation to English
четырехгранник
m.
tetrahedron
tetrahedron
tetrahedron
![A single 30-tetrahedron ring [[Boerdijk–Coxeter helix]] within the [[600-cell]], seen in stereographic projection](https://commons.wikimedia.org/wiki/Special:FilePath/600-cell tet ring.png?width=200 "A single 30-tetrahedron ring [[Boerdijk–Coxeter helix]] within the [[600-cell]], seen in stereographic projection")
![The [[stella octangula]].](https://commons.wikimedia.org/wiki/Special:FilePath/Compound of two tetrahedra.png?width=200 "The [[stella octangula]].")
![A space-filling tetrahedral disphenoid inside a cube. Two edges have [[dihedral angle]]s of 90°, and four edges have dihedral angles of 60°.](https://commons.wikimedia.org/wiki/Special:FilePath/Oblate tetrahedrille cell.png?width=200 "A space-filling tetrahedral disphenoid inside a cube. Two edges have [[dihedral angle]]s of 90°, and four edges have dihedral angles of 60°.")
![Matemateca IME-USP]])](https://commons.wikimedia.org/wiki/Special:FilePath/Tetraedro (Matemateca IME-USP).jpg?width=200 "Matemateca IME-USP]])")
![a thin volume of empty space]] is left, where the five edge angles do not quite meet.](https://commons.wikimedia.org/wiki/Special:FilePath/Tetrahedrons cannot fill space..PNG?width=200 "a thin volume of empty space]] is left, where the five edge angles do not quite meet.")
![Two tetrahedra in a cube]]](https://commons.wikimedia.org/wiki/Special:FilePath/CubeAndStel.svg?width=200 "Two tetrahedra in a cube]]")
![[[Compound of five tetrahedra]]](https://commons.wikimedia.org/wiki/Special:FilePath/Compound of five tetrahedra.png?width=200 "[[Compound of five tetrahedra]]")
![[[Compound of ten tetrahedra]]](https://commons.wikimedia.org/wiki/Special:FilePath/Compound of ten tetrahedra.png?width=200 "[[Compound of ten tetrahedra]]")
FOUR-SIDED POLYHEDRON
Tetrahedral; Tetrahedra; Tetrahedran; Triangular pyramid; Regular tetrahedron; Demicube; 3-demihypercube; 3-simplex; Tetrahedral graph; 3-demicube; Tet (geometry); Birectified tetrahedron; Tetrahedral angle; Tetrahedrons; Tetraeder; Sphenoid (geometry); 1 10 polytope; 1 01 polytope; 0 20 polytope; Scalene tetrahedron; Half turn tetrahedron; Phyllic disphenoid; Mirrored sphenoid; 4-hedron; Alternated cube; Monge point; Twelve-point sphere; 12-point sphere; Spherical tetrahedron; Order-3 triangular tiling; 3-orthoscheme; Quadrirectangular tetrahedron; Birectangular tetrahedron
тетраэдр, четырёхгранник
tetrahedron
FOUR-SIDED POLYHEDRON
Tetrahedral; Tetrahedra; Tetrahedran; Triangular pyramid; Regular tetrahedron; Demicube; 3-demihypercube; 3-simplex; Tetrahedral graph; 3-demicube; Tet (geometry); Birectified tetrahedron; Tetrahedral angle; Tetrahedrons; Tetraeder; Sphenoid (geometry); 1 10 polytope; 1 01 polytope; 0 20 polytope; Scalene tetrahedron; Half turn tetrahedron; Phyllic disphenoid; Mirrored sphenoid; 4-hedron; Alternated cube; Monge point; Twelve-point sphere; 12-point sphere; Spherical tetrahedron; Order-3 triangular tiling; 3-orthoscheme; Quadrirectangular tetrahedron; Birectangular tetrahedron
[tetrə'hi:drən]
общая лексика
четырехгранник
тетраэдр
существительное
специальный термин
четырёхгранник
тетраэдр
военное дело
пирамидальная противотанковая надолба
пирамидальный береговой эскарп
геометрия
четырехгранник, тетраэдр
Definition
четырехгранник
ЧЕТЫРЁХГРАННИК, четырёхгранника, ·муж. (мат.). Геометрическое тело, ограниченное четырьмя гранями.
Examples of use of четырехгранник
1. Наконец корабли выстраиваются в строй бриллианта, образуя правильный четырехгранник.
