demetallation التعريفات والمعاني == English == === Etymology === From de- + metallation. === Noun === demetallation (countable and uncountable, plural demetallations) demetallization شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة demetallations demetallization demetalation demethylation demetalization demethylations demetalations déméthylation déméthylations