hydrocarbonaceous


hy·dro·car·bon

H0343300 (hī′drə-kär′bən)n. Any of numerous organic compounds, such as benzene and methane, that contain only carbon and hydrogen.
hy′dro·car′bo·na′ceous (-bə-nā′shəs), hy′dro·car·bon′ic (-bŏn′ĭk), hy′dro·car′bon·ous (-bə-nəs) adj.