tetrahedron (redirected from tetrahedrons)

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.]

tetrahedron

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tetrahedron [tet-ra-heed-ron]

Noun

pl -drons or -dra a solid figure with four triangular plane faces [Late Greek tetraedron]

tetrahedral adj

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tetrahedron  (ttr-hdrn)

Plural tetrahedrons or tetrahedra

A polyhedron having four faces.

Thesaurus

Noun

1.

tetrahedron - any polyhedron having four plane faces polyhedron - a solid figure bounded by plane polygons or faces