[{"Bold_text": "noun", "List Items": ["Chemistry.a silver-white metallic element, light in weight, ductile, malleable, and not readily corroded or tarnished, occurring combined in nature in igneous rock, shale, clay, and most soil: used in alloys and for lightweight utensils, castings, airplane parts, etc.:alum.;:Al;:26.98;:13;:2.70 at 20°C."]}, {"Bold_text": "adjective", "List Items": ["of, relating to, or containing aluminum:an aluminum frying pan."]}]