naphthacene التعريفات والمعاني == English == === Etymology === From naphtha + acene. === Noun === naphthacene (plural naphthacenes) tetracene شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة naphthacenes naphthalene naphthene naphthalenic naphthylene naphthalenedisulfonic acid naphthalenesulfonate naphthalenediamine naphthalenivorans