noun🔗ShareA metallic chemical element (symbol Al) with an atomic number of 13."My bicycle's frame is made of aluminum. "materialsubstanceelementchemistryscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareA single atom of this element."The scientist examined a single aluminum atom under the microscope. "elementsubstancematerialchemistryChat with AIVocabulary GamePractice Reading
noun🔗ShareAircraft or other machinery made partially or wholly of aluminum."The airplane's fuselage is made of aluminum. "materialvehiclemachineindustryChat with AIVocabulary GamePractice Reading
