tétraèdre

== French == === Etymology === Learned borrowing from Ancient Greek τετράεδρον (tetráedron, “triangle-based pyramid”), from τετράεδρος (tetráedros), from τετράς (tetrás, “four”) + ἕδρα (hédra, “seat”). === Pronunciation === IPA(key): /te.tʁa.ɛdʁ/ === Noun === tétraèdre m (plural tétraèdres) (geometry) tetrahedron (polyhedron with four faces) Hypernym: polyèdre ==== Descendants ==== → Dutch: tetraëder === Further reading === “tétraèdre”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012