noun🔗ShareAlúmina, óxido de aluminioAluminum oxide, especially when used in mining, material sciences or ceramics."The ceramic mug is strong and heat-resistant because it's made with a high percentage of alumina. "La taza de cerámica es fuerte y resistente al calor porque está hecha con un alto porcentaje de alúmina.materialsubstancechemistryscienceindustryChat with AIVocabulary GamePractice Reading
