yttrium oxide التعريفات والمعاني == English == === Noun === yttrium oxide (uncountable) (inorganic chemistry) An oxide compound of yttrium with the chemical formula Y2O3. شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة Yttriumoxide Yttriumoxiden Yttriumoxid Yttriumoxids ytterbium oxide ytterbium oxides