n
A graphical representation of the angles between points on the boundary of an object
n
(topology) The relation between points on a sphere which are directly opposite each other; or the function which maps a point to its opposite point.
adj
(geometry) Having the form of an apeirogon.
n
(geometry) A hypocycloid with four cusps.
n
(mathematics) Any point that lies on any of the axes of a coordinate system
n
(geometry) Any of one or more lines about which a geometric figure is symmetric
n
(mathematics) A plane curve having two cusps
n
A polyhedron constructed from two congruent frusta combined across a plane of symmetry, or equivalently from a bipyramid with the two polar vertices truncated.
adj
Relating to biquaternions.
adj
Relating to the shorter diagonal, as of a rhombic prism.
adj
Resembling the angles of a cube.
adj
(geometry) Of, pertaining to, or having the shape of a cuboid
adj
Alternative spelling of dihedral [(mathematics) Consisting of, relating to or contained between two plane surfaces.]
adj
(mathematics) symmetrical about a 180° turn about an axis
adj
(mathematics) Consisting of, relating to or contained between two plane surfaces.
adj
Being trigonal in two different ways on the same axis; e.g., of a six-sided object, having only the alternate interfacial angles equal
adj
(mathematics) Of or pertaining to a duotensor
n
(psychology) Such a figure used to indicate nine personality traits of a subject
adj
(obsolete) Having equal angles; equiangular.
adj
Having the same number of sides.
adj
Having the form of an equilateral triangle
adj
(mathematics) Relating to a flecnode
n
(geometry) A double point that is also a point of inflexion of both branches.
adj
(of a matrix) Having nonzero entries along the main diagonal, the three diagonals on either side of the main diagonal, and the three diagonals near each corner, only.
n
The quality of being hexagonal.
n
A set of six works of art that are connected, and that can be seen either as a single work or as six individual works, commonly found in literature, film, or video games.
adj
Having the form of a hyperrectangle.
n
A torus scaled up into the fourth dimension.
adj
(geometry) Having the form of a icosagon
n
(geometry) A polygon with twenty two sides and twenty two angles.
n
(mathematics) A semicubical parabola.
adj
(geometry) Having equal angles.
n
The longer of two diagonals, as of a rhombic prism.
n
(geometry, solid geometry) The sphere which, if it exists, is tangent to every edge of a given polyhedron and with respect to which the polyhedron's vertices are the inversion poles of the planes of the faces of its dual polyhedron (and vice versa).
adj
(geometry, of a polyhedron) Both isohedral and isogonal.
adj
Relating to an octant.
adj
Obsolete form of octagonal. [(geometry) Shaped like an octagon, in having eight sides and eight angles.]
adj
(mathematics, of a curve) Having three or more points coincident with another
adj
Alternative form of paraboloidal [Having a paraboloid shape.]
adj
(geometry) Having the form of a parallelepiped
adj
Having the form or properties of a parallelogram
adj
Having the shape of a parallelogram
adj
Of, relating to, or shaped like a pentagon.
adj
Related to pentagonism.
adj
Obsolete form of pentagonal. [Of, relating to, or shaped like a pentagon.]
adj
fivefold (of a symmetry group)
adj
Having five corners or angles.
adj
Having many angles; polygonal
adj
Obsolete spelling of polyhedrous [polyhedral; having multiple faces or facets.]
adj
Of, pertaining to, or derived from plants of the genus Polygonum
n
A graphic representation of an interrelationship in the form of a polygon (typically a star polygon) inscribed within a circle
adj
(geometry, of a solid or surface) Having multiple planar faces or facets.
n
The condition of being polyhedral
adj
(of a crystal) holohedral in multiple ways
n
(geometry) An antiprism.
adj
(geometry) Pyramid-shaped.
n
(geometry) A solid resembling a pyramid.
n
(physics) four poles disposed in a square fashion.
n
(geometry) A polygon with fifteen sides and fifteen angles.
adj
Having five angles or corners.
adj
(obsolete, of a triangle) Scalene.
adj
Having six angles; hexagonal.
adj
Alternative form of sexangular [Having six angles; hexagonal.]
adj
(anatomy, botany) Having five sides, but not forming a regular pentagon
adv
Alternative form of tetrahedrally [In a tetrahedral manner; arranged in tetrahedrons.]
adj
(crystallography) Having two equal axes and one unequal, and all angles 90°.
n
The condition of being tetragonal.
adj
Alternative spelling of tetrahedralizable [(geometry) That can be divided into tetrahedra.]
n
The quality of being tetrahedral.
adj
(geometry) That can be divided into tetrahedra.
v
(mathematics, usually of a surface or a mesh) To convert to tetrahedrons.
adv
In a tetrahedral manner; arranged in tetrahedrons.
n
(physics) The entanglement of three qubits
n
(geometry) A polyiamond made up of three triangles.
n
A prism with a triangular base.
n
(geometry) A solid formed by three intersecting cylinders.
n
(geometry) A curve of third order of the form:
n
A shape composed of three equilateral triangles arranged in such a manner that a fourth triangle of identical size, but pointing the opposite direction, could fit between them.
n
A correspondence between the points in the plane of a triangle not lying on the sides of the triangle and lines in the plane of the triangle not passing through the vertices of the triangle.
n
(games) a variant of the game of dominoes using tiles with the shape of an equilateral triangle.
n
A compound or twin crystal consisting of twelve individuals.
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