Carbonaceous
ahd-5
adjective.
Consisting of, containing, relating to, or yielding carbon.
The Century Dictionary and Cyclopedia
Pertaining to or consisting of carbon; containing carbon or coaly matter.
the GNU version of the Collaborative International Dictionary of English
adjective.
Pertaining to, containing, or composed of, carbon.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
of, relating to, rich in, or yielding
carbon
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
relating to or consisting of or yielding carbon