tetrahedron
Definition from Wiktionary, the free dictionary
Contents |
English[edit]
Etymology[edit]
From Ancient Greek τετράεδρον (tetraedron, “triangle-based pyramid”), from τετράς (tetras, “four”) + ἕδρα (hedra, “seat”).
Pronunciation[edit]
Noun[edit]
tetrahedron (plural tetrahedrons or tetrahedra)
- (geometry) a polyhedron with four faces; the regular tetrahedron, the faces of which are equal equilateral triangles, is one of the Platonic solids.
Related terms[edit]
Translations[edit]
polyhedron
