polyhedral

Meanings

• noun

  A polyhedral is a solid object composed of regular polygonal faces and vertex edges. It is named for the number of faces and vertices.

• noun

  In geometry, a polyhedral shape is a three-dimensional shape with flat faces that are polygons.

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Variants

List of all variants of polyhedral that leads to same result
polyhedra , polyhedral , polyhedron , polyhedrons , polyhedral angle , polyhedral angles

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Etymology

origin and the way in which meanings have changed throughout history.

From the Greek words polygonalos (many-angled) and hedra (seat), meaning many-angled figure.

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Trivia

Any details, considerations, events or pieces of information regarding the word

1. The Platonic solids are the five regular polyhedra.

2. The term 'polyhedron' was first used by the ancient Greek mathematician Theaetetus.

3. The dodecahedron is the only regular polyhedron with five or more faces.

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Related Concepts

informations on related concepts or terms closely associated with the word. Discuss semantic fields or domains that the word belongs to

1. polyhedron: A three-dimensional geometric shape with flat polygonal faces and edges. A polyhedron is a special type of polytope.

2. regular polyhedron: A polyhedron where all faces are congruent regular polygons and all vertices have the same number of edges.

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Culture

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Polyhedra have been used throughout history in mathematics, art, and architecture. They have been used to illustrate mathematical concepts, create intricate sculptures, and design architectural structures.

How to Memorize "polyhedral"

1. visualize
   

   - Imagine a 3D shape with flat faces that are polygons. Visualize the edges connecting the vertices and the faces meeting at those edges.

2. associate
   

   - Associate the word 'polyhedral' with the concept of a 3D shape with polygonal faces.

3. mnemonics
   

   - Use the mnemonic 'P-O-L-Y-H-E-D-R-A' to remember the definition: 'P' for polyhedral, 'O' for three-dimensional, 'L' for 'many-sided', 'Y' for 'having polygonal faces', 'H' for 'having edges', 'E' for 'having vertices', 'D' for 'regular or irregular', and 'R' for 'three-dimensional figure'.

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