heptahedral التعريفات والمعاني == English == === Etymology === From hepta- + -hedral. === Adjective === heptahedral (not comparable) having seven plane surfaces ==== Related terms ==== heptahedron ==== Translations ==== شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة heptahedron heptahydrate heptahedra heptahydrated heptahedrons Heptahydrat hexahedral heptahydrates Heptahydrate