carbon-free
adjective
1Containing no carbon, free of carbon.
2Not producing any carbon compounds such as carbon dioxide that might contribute to pollution; not associated with net emission of carbon dioxide to the atmosphere.
Origin
Late 19th century.
- cityscape
- cityship
- city shorts
- city slicker
- City Solicitor
- city state
- City Technology College
- cityward
- citywards
- city watch
- citywide
- city woman
- Ciudad Bolívar
- Ciudad del Este
- Ciudad Guayana
- Ciudad Juárez
- Ciudad Real
- Ciudad Trujillo
- Ciudad Victoria
- civet
- civic
- civically
- civic centre
- civic humanism
- civicism