n
(geometry, obsolete, rare) An obtuse-angled figure, especially a triangle.
n
(in the regular case) the limit case of an n-sided regular polygon as n increases to infinity and the edge length is fixed; typically imagined as a straight line partitioned into equal segments by an infinite number of equally-spaced points.
n
(geometry) Any of a class of convex semiregular polyhedra, composed of two or more types of regular polygon meeting in identical vertices.
n
(geometry) A perpendicular to two opposite edges of a tetrahedron.
n
A digon or bigon; a two-sided shape (especially in non-Euclidean geometry)
n
(rare) A polygon having two edges and two vertices.
n
A digon or bigon; a two-sided shape.
n
(geometry) A polyomino made up of two squares.
n
(mathematics, physics) Synonym of hendecad
adj
(geometry) In the form of an enneagon; having nine angles.
n
(mathematics) A nine-dimensional hypercube
adj
(mathematics, of a polyhedron) Having equal faces
adj
(geometry, of a polyhedron) Having all the faces equal.
n
(geometry) A flat model made from folded strips of paper that can be folded, or flexed, to reveal a number of hidden faces.
n
(mathematics) An algebraic variety of degree 4.
n
(geometry) A polygon with four sides; a quadrilateral.
n
(mathematics, physics) Synonym of pentad
n
(geometry) A plane figure formed by removing a parallelogram from a corner of a larger parallelogram.
n
(geometry) A serial isogon of 90 degrees; any polygon with all right angles, whose sides are consecutive integer lengths.
n
(geometry, trigonometry) One hundredth of a right angle; a gradian.
n
(geometry) A polygon with a googol number of sides (virtually indistinguishable from a circle)
n
(Indian logic, rare) A figure that gives an exhaustive enumeration of seven possibilities in a specified situation.
n
(geometry) A polygon with six sides and six angles.
n
(mathematics) A polygon with twenty sides and twenty angles.
n
(mathematics) An equiangular polygon.
n
(mathematics, rare) A polygon having 1000 sides.
n
(geometry, obsolete) A polygon.
n
(mathematics, physics) Synonym of ennead
n
(geometry) That circle which passes through the feet of the altitudes of a given triangle.
n
(geometry) A regular nine-pointed star shape.
n
A group of eight things.
n
(geometry, also attributively) A polygon with eight sides and eight angles.
n
Obsolete form of octagon. [(geometry, also attributively) A polygon with eight sides and eight angles.]
n
Alternative spelling of octothorpe [(chiefly US, typography) The hash or square symbol (#), used mainly in telephony and computing.]
n
(geometry) A n-dimensional generalization of the quadrant (in two-dimensional Cartesian space) and octant (in three-dimensional space).
n
(geometry) A rectangular figure.
n
A smaller variety of Rubik's Cube with only 8 cubies arranged as a 2×2×2 cube.
adj
Having many angles; hence characteristic of a polygon.
n
(mathematics, rare) The state of being a polygon.
n
(geometry) A proposition in Euclid stating that the angles at the base of an isoceles triangle are equal.
n
A variety of Rubik's Cube with 98 cubies arranged as a 5×5×5 cube.
n
A fifteenth of a circle (24 degrees)
n
(mathematics) A degree 5 class 3 contravariant of a plane cubic.
n
(obsolete) An arc or angle of 60 degrees.
n
(geometry) The vertices and edges of a polyhedron, taken collectively.
n
(geometry) A special octagram, a regular compound polygon, represented by Schläfli symbol {8/2} or 2{4}, made from two congruent squares with the same center at 45° angles.
n
(mathematics, geometry) A geometric figure formed by connecting, with straight lines, every vertex of a p-sided regular polygon to the qth vertex beyond it (proceeding, consistently, either clockwise or anticlockwise).
n
(geometry) The solid body generated by the intersection of two or three cylinders of equal radius at right angles.
n
(mathematics) A polygon that has fractal sides
n
(mathematics, geometry) The four-dimensional analogue of a cube; a 4D polytope bounded by eight cubes (analogously to the way a cube is bounded by six squares).
n
(mathematics) A group of four basis vectors for a four-dimensional manifold in differential geometry.
n
(geometry, rare) Quadrilateral.
adj
(mathematics) Of a magic cube: remaining magic even if all its numbers are replaced by their kth power for 1 ≤ k ≤ 4.
n
A three-dimensional figure with four triangular bases.
adj
(mathematics) three-dimensional and complex
n
(geometry) A polyomino made up of three squares connected edge to edge.
adj
(geometry) (of a polyhedron) That is isogonal and whose faces are regular polygons; (of an n-dimensional (n>3) polytope) that is isogonal and whose bounding (n-1)-dimensional facets are uniform polytopes.
n
(geometry) The figure exposed when a corner of a polyhedron or polytope is sliced off.
n
(mathematics) A polygon having an even number of sides and whose pairs of opposite sides are parallel and equal
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