noun🔗Share팔면체A 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. "수학 시간에 우리는 팔면체가 여덟 개의 면을 가진 도형이라는 것을 배웠다.mathfigureChat with AIVocabulary GamePractice Reading