The word "carbonaceous" refers to something that contains or is related to carbon, which is a chemical element found in all living things. Full definition
My research has focused on characterizing the soluble and insoluble organic materials of carbonaceous chondrite meteorites with the aim to trace their abiotic origins in Solar and / or pre-Solar extraterrestrial environments. (eos-nexus.org)
With help of measurements made in the AERONET network (Aerosol Robotic Network), new and more accurate information can be obtained about the fractions of absorbing carbonaceous aerosols in the atmosphere. (en.ilmatieteenlaitos.fi)
«Further study is required to fully understand the formation of carbonaceous material in these ancient sedimentary rocks,» Papineau said. (carnegiescience.edu)