triakistetrahedron التعريفات والمعاني == English == === Noun === triakistetrahedron (plural triakistetrahedra) Alternative form of triakis tetrahedron. شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة triakis tetrahedron triakistetrahedral triakistetrahedra