polycyclical التعريفات والمعاني == English == === Etymology === From poly- + cyclical. === Adjective === polycyclical (not comparable) Involving more than one cycle. Synonym: polycyclic شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة polycyclic polycyclic aromatic hydrocarbon polycyclic aromatic hydrocarbons polycyclics polycyclization polycyclizations polycyclicity