Wordnet 3.0
NOUN (1)
1.
an organic compound containing only carbon and hydrogen;
The Collaborative International Dictionary of English v.0.48:
Hydrocarbon \Hy`dro*car"bon\, n. [Hydro-, 2 + carbon.] (Chem.)
A compound containing only hydrogen and carbon, as methane,
benzene, etc.; also, by extension, any of their derivatives.
[1913 Webster]
Hydrocarbon burner, furnace, stove, a burner, furnace,
or stove with which liquid fuel, as petroleum, is used.
[1913 Webster]
WordNet (r) 3.0 (2006):
hydrocarbon
n 1: an organic compound containing only carbon and hydrogen