noun🔗ShareOctaèdreA polyhedron with eight faces; the regular octahedron has regular triangles as faces and is one of the Platonic solids."In math class, we learned that an octahedron is a shape with eight faces. "En cours de maths, nous avons appris qu'un octaèdre est une forme à huit faces.mathfigureChat with AIVocabulary GamePractice Reading
