[{"Bold_text": "noun", "List Items": ["Chemistry.a chemically inert gaseous element occurring in small amounts in the earth's atmosphere, used chiefly in a type of electrical lamp.:Ne;:20.183;:10;density:0.9002 grams/liter at 0°C and 760 millimeters pressure.", "neon lamp neon lamp.", "a sign or advertising sign formed from neon lamps."]}, {"Bold_text": "adjective", "List Items": ["using or containing the gas neon.", "made of or formed by a neon lamp or lamps:a neon sign.", "of, relating to, or characteristic of a tawdry urban district or of gaudy nighttime entertainment."]}]