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Parent Categories

entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

matter go
that which has mass and occupies space

substance go
the real physical matter of which a person or thing consists

material, stuff go
the tangible substance that goes into the makeup of a physical object

chemical, chemical substance go
material produced by or used in a reaction involving changes in atoms or molecules

compound, chemical compound go
(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight

organic compound go
any compound of carbon and another element or a radical

hydrocarbon
an organic compound containing only carbon and hydrogen

noun.substance

20 Subcategories

chlorobenzene go
a colorless volatile flammable liquid with an almond odor that is made from chlorine and benzene
aromatic compound go
a hydrocarbon containing one or more benzene rings that are characteristic of the benzene series of compounds
gasohol go
a gasoline substitute consisting of 90% gasoline and 10% grain alcohol from corn
gas, gasoline, gasolene, petrol go
a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum
kerosene, kerosine, lamp oil, coal oil go
a flammable hydrocarbon oil used as fuel in lamps and heaters
aromatic hydrocarbon go
a hydrocarbon that contains one or more benzene rings that are characteristic of the benzene series of organic compounds
indene go
a colorless liquid hydrocarbon extracted from petroleum or coal tar and used in making synthetic resins
cymene go
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 go
any of several toxic or carcinogenic hydrocarbons that occur as impurities in herbicides
ethane, C2H6 go
a colorless odorless alkane gas used as fuel
liquefied petroleum gas, bottled gas go
hydrocarbon gases, usually propane or butane, kept under pressure
bitumen go
any of various naturally occurring impure mixtures of hydrocarbons
butadiene go
a gaseous hydrocarbon C4H6
naphtha go
any of various volatile flammable liquid hydrocarbon mixtures
naphthalene go
a white crystalline strong-smelling hydrocarbon made from coal tar or petroleum and used in organic synthesis and as a fumigant in mothballs
pyrene go
a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar
octane go
any isomeric saturated hydrocarbon found in petroleum and used as a fuel and solvent
gas oil go
an oil formed through distillation of petroleum of intermediate boiling range and viscosity
terpene go
an unsaturated hydrocarbon obtained from plants
provitamin go
vitamin precursor