| Noun | 1. | hydrocarbon - an organic compound containing only carbon and hydrogen chlorobenzene - a colorless volatile flammable liquid with an almond odor that is made from chlorine and benzene; used as a solvent and in the production of phenol and DDT and other organic compounds aromatic compound - a hydrocarbon containing one or more benzene rings that are characteristic of the benzene series of compounds gasohol - a gasoline substitute consisting of 90% gasoline and 10% grain alcohol from corn gasolene, gasoline, petrol, gas - a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines coal oil, kerosene, kerosine, lamp oil - a flammable hydrocarbon oil used as fuel in lamps and heaters organic compound - any compound of carbon and another element or a radical aromatic hydrocarbon - a hydrocarbon that contains one or more benzene rings that are characteristic of the benzene series of organic compounds indene - a colorless liquid hydrocarbon extracted from petroleum or coal tar and used in making synthetic resins cymene - any of three isotopes of a colorless aromatic liquid hydrocarbon occurring in the volatile oil of cumin and thyme and used in the manufacture of synthetic resins dioxin - any of several toxic or carcinogenic hydrocarbons that occur as impurities in herbicides bottled gas, liquefied petroleum gas - hydrocarbon gases, usually propane or butane, kept under pressure bitumen - any of various naturally occurring impure mixtures of hydrocarbons butadiene - a gaseous hydrocarbon C4H6; used in making synthetic rubbers naphtha - any of various volatile flammable liquid hydrocarbon mixtures; used chiefly as solvents naphthalene - a white crystalline strong-smelling hydrocarbon made from coal tar or petroleum and used in organic synthesis and as a fumigant in mothballs pyrene - a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar octane - any isomeric saturated hydrocarbon found in petroleum and used as a fuel and solvent gas oil - an oil formed through distillation of petroleum of intermediate boiling range and viscosity terpene - an unsaturated hydrocarbon obtained from plants provitamin - vitamin precursor; a substance that is converted into a vitamin in animal tissues |