tetracyclo التعريفات والمعاني == English == === Etymology === From tetra- + cyclo-. === Adjective === tetracyclo (not comparable) (organic chemistry, in combination) Having four rings شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة tetracyclone tetracycline tetracloruro tetrachloroethylene tetracyclic tetrachloride tetrachlorometan tetraciclina tetracloreto