[{"Bold_text": "noun", "List Items": ["Chemistry.a widely distributed element that forms organic compounds in combination with hydrogen, oxygen, etc., and that occurs in a pure state as diamond and graphite, and in an impure state as charcoal.:C;:12.011;:6;:(of diamond) 3.51 at 20°C; (of graphite) 2.26 at 20°C.", "carbon dioxide carbon dioxideor other carbon compounds that are emitted into the atmosphere and cause rising temperatures:the carbon produced by burning fossil fuels.", "carbon copy carbon copy.", "a sheet of carbon paper carbon paper.", "Electricity.the carbon rod through which current is conducted between the electrode holder and the arc in carbon arc carbon arclighting or welding.the rod or plate, composed in part of carbon, used in batteries.", "the carbon rod through which current is conducted between the electrode holder and the arc in carbon arc carbon arclighting or welding.", "the rod or plate, composed in part of carbon, used in batteries."]}, {"Bold_text": "adjective", "List Items": ["pertaining to or noting the element carbon or any of its compounds, especially carbon dioxide carbon dioxide:to reduce carbon emissions."]}]