Crossword clues for polyhedron
Longman Dictionary of Contemporary English
The Collaborative International Dictionary
Polyhedron \Pol`y*he"dron\, n.; pl. E. Polyhedrons., L. Polyhedra. [NL., fr. Gr. ? with many seats or sides; poly`s many + ? a seat or side: cf. F. poly[`e]dre.]
(Geom.) A body or solid contained by many sides or planes.
(Opt.) A polyscope, or multiplying glass.
Douglas Harper's Etymology Dictionary
Wiktionary
n. 1 (context geometry English) A solid figure with many flat faces and straight edges. 2 (context optics English) A polyscope, or multiplying glass.
WordNet
n. a solid figure bounded by plane polygons or faces
[also: polyhedra (pl)]
Wikipedia
Regular tetrahedron
Small stellated dodecahedron
Icosidodecahedron
Great cubicuboctahedron
Rhombic triacontahedron
Octagonal prism
In elementary geometry, a polyhedron (plural polyhedra or polyhedrons) is a solid in three dimensions with flat polygonal faces, straight edges and sharp corners or vertices. The word polyhedron comes from the Classical Greek πολύεδρον, as poly- (stem of πολύς, "many") + -hedron (form of ἕδρα, "base" or "seat").
Cubes and pyramids are examples of polyhedra.
A polyhedron is said to be convex if its surface (comprising its faces, edges and vertices) does not intersect itself and the line segment joining any two points of the polyhedron is contained in the interior or surface.
A polyhedron is a 3-dimensional example of the more general polytope in any number of dimensions.
Polyhedron (formerly Polyhedron Newszine) was a magazine targeting consumers of role-playing games, and originally the official publication of the RPGA (Role Playing Gamers Association).
Polyhedron is a peer-reviewed scientific journal covering the field of inorganic chemistry. It was established in 1955 as the Journal of Inorganic and Nuclear Chemistry and is published by Elsevier.
Usage examples of "polyhedron".
She picked up a white polyhedron that perched there, the reflected lucency of the lamp making it glow faintly pink where her fingers touched.
To make the philtre visually engaging, Tre had deformed the two basic polyhedra into a pair of shapes which resembled a skinny chicken and a fat dodo bird.
Slowly, as the Admiral Stoloff continued braking to orbital speed, the lights enlarged and resolved into the familiar oblates, spheres, and polyhedra of Confederation Navy Base Gagarin, moving slowly in their ponderous, stately waltz.
In a broad room with splayed grey walls, illuminated by three-coloured polyhedra, Cugel devoured the food Pharesm caused to appear.
The beautiful, shiny polyhedra were tinted crystal, grown around magnetic metal cores.
She can show you the whole inhabited section of the galaxy, with all the trade polyhedra, like a dew-flecked cobweb hanging in the air.
Gil caching the polyhedron in her sling for further investigation later.
She stopped and bent down to pick up another white glass polyhedron from where it lay half-hidden in the shadows of a braided mass of coils as big around as her waist.
The polyhedron shattered into six or seven pieces, releasing neither poisonous gas nor embryonic alien beings.
Ingold turned the polyhedron in his fingers for a moment, as if testing its weight or proportions.
Gil was about to take another crystal polyhedron from the table when she froze, her movement arrested halfway.
He lighted and threw a polyhedron of milky light to Rudy, ignited another and tossed it to Aide, then passed a third to the red-haired girl.
He lighted and threw a polyhedron of milky light to Rudy, ignited another and tossed it to Alde , then passed a third to the red-haired girl.
Opening my fist, I tossed the polyhedron over my shoulder and in the direction of the Edge, just as a distant and desiccated memory resurfaced.
But, like Mills Avenue, a polyhedron mist defined the not-so-distant boundary.