[{"Bold_text": "noun", "List Items": ["a rare metallic element of the platinum group, silver-white, ductile and malleable, harder and fusing more readily than platinum: used chiefly as a catalyst and in dental and other alloys.:Pd;:106.4;:46;:12 at 20°C."]}, {"Bold_text": "noun", "List Items": ["Also Pal·la·di·on[]a statue of Athena, especially one on the citadel of Troy on which the safety of the city was supposed to depend.", "(usually lowercase)anything believed to provide protection or safety; safeguard."]}]