tetrahedron

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 [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

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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

Translations

tetrahedron [ˈtetrəˈhiːdrən] N (tetrahedrons, tetrahedra (pl)) [ˌtetrəˈhiːdrə] → tetraedro m

tetrahedron

n → Tetraeder nt