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POLYHEDRON (polyhedra)

Pronunciation (US): 

 Dictionary entry overview: What does polyhedron mean? 

  The noun POLYHEDRON has 1 sense:

1. a solid figure bounded by plane polygons or faces

  Familiarity information: POLYHEDRON used as a noun is very rare.

 Dictionary entry details 


Sense 1polyhedron [BACK TO TOP]


A solid figure bounded by plane polygons or faces

Classified under:

Nouns denoting two and three dimensional shapes

Hypernyms ("polyhedron" is a kind of...):

solid (a three-dimensional shape)

Hyponyms (each of the following is a kind of "polyhedron"):

convex polyhedron (a polyhedron any plane section of which is a convex polygon)

prismatoid (a polyhedron whose vertices all lie in one or the other of two parallel planes; the faces that lie in those planes are the bases of the prismatoid)

ideal solid; Platonic body; Platonic solid; regular convex polyhedron; regular convex solid; regular polyhedron (any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent)

icosahedron (any polyhedron having twenty plane faces)

dodecahedron (any polyhedron having twelve plane faces)

decahedron (any polyhedron having ten plane faces)

octahedron (any polyhedron having eight plane faces)

hexahedron (any polyhedron having six plane faces)

pentahedron (any polyhedron having five plane faces)

tetrahedron (any polyhedron having four plane faces)

pyramid (a polyhedron having a polygonal base and triangular sides with a common vertex)

prism (a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms)

concave polyhedron (a polyhedron some of whose plane sections are concave polygons)

trapezohedron (a polyhedron whose faces are trapeziums)

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