[ kahr-buh-ney-shuh s ]
/ ˌkɑr bəˈneɪ ʃəs /


of, like, or containing carbon.

Origin of carbonaceous

First recorded in 1785–95; carbon + -aceous

Related forms

sub·car·bo·na·ceous, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for carbonaceous

British Dictionary definitions for carbonaceous


/ (ˌkɑːbəˈneɪʃəs) /


of, resembling, or containing carbon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for carbonaceous


[ kärbən ]


A naturally abundant, nonmetallic element that occurs in all organic compounds and can be found in all known forms of life. Diamonds and graphite are pure forms, and carbon is a major constituent of coal, petroleum, and natural gas. Carbon generally forms four covalent bonds with other atoms in larger molecules. Atomic number 6; atomic weight 12.011; sublimation point above 3,500°C; boiling point 4,827°C; specific gravity of amorphous carbon 1.8 to 2.1, of diamond 3.15 to 3.53, of graphite 1.9 to 2.3; valence 2, 3, 4. See Periodic Table.

Related forms

carbonaceous adjective
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.