tetrahedron

Meaning

A polyhedron with four faces; the regular tetrahedron, the faces of which are equal equilateral triangles, is one of the Platonic solids.

Synonyms

solid with four faces

Translations

Tetraeder

tetraedro

tétraèdre

tetraedro

tetraedro

tetràedre

tetraèdre

tetraedre

dört yüzlü

Vierflach

Vierflächner

τετράεδρο

tetragono

tetraëder

Pronounced as (IPA)

/tɛtɹəˈhiːdɹən/

Etymology

From Ancient Greek τετράεδρον (tetráedron, “triangle-based pyramid”), from τετράεδρος (tetráedros), from τετράς (tetrás, “four”) + ἕδρα (hédra, “seat”). By surface analysis, tetra- + -hedron.