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tetrahedron
(redirected from 3-demihypercube)

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
tet·ra·he·dron  (ttr-hdrn)
n. pl. tet·ra·he·drons or tet·ra·he·dra (-dr)
A polyhedron with four faces.

[Late Greek tetraedron, from Greek, neuter of tetraedros, four-faced : tetra-, tetra- + hedr, face of a geometric solid; see sed- in Indo-European roots.]
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tetrahedron

tetrahedron [ˌtɛtrəˈhiːdrən]
n pl -drons, -dra [-drə]
1. (Mathematics) a solid figure having four plane faces. A regular tetrahedron has faces that are equilateral triangles See also polyhedron
2. (Mathematics) any object shaped like a tetrahedron
[from New Latin, from Late Greek tetraedron; see tetra-, -hedron]
tetrahedral  adj
tetrahedrally  adv

tetrahedron  (ttr-hdrn)
Plural tetrahedrons or tetrahedra
A polyhedron having four faces.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.tetrahedron - any polyhedron having four plane facestetrahedron - any polyhedron having four plane faces
polyhedron - a solid figure bounded by plane polygons or faces
Translations
tetrahedron [ˈtetrəˈhiːdrən] N (tetrahedrons, tetrahedra (pl)) [ˌtetrəˈhiːdrə]tetraedro m
tetrahedron
nTetraeder nt


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