Aranan: korundum corundum /kəˈɹʌn.dəm/ Giriş yap, bu kelimeyi “Kelimelerim”e ekle. Çeviriler isim corundum Technical corundums Technical Tanımlar (İngilizce) isim An extremely hard mineral, a form of aluminum oxide with the chemical formula Al₂O₃, that occurs in the form of the gemstones sapphire and ruby; it is used as an abrasive.