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Longman Dictionary of Contemporary English
▪ Organic compounds including a number of carcinogenic polycyclic aromatic hydrocarbons are also present in coal dust.
▪ Natural gas is also virtually free of the lead, sulphur, particulates and aromatic hydrocarbons that cause pollution at street level.
▪ Because of the huge up-front investment in production platforms, modestly-sized hydrocarbon discoveries in deep water are not economic.
▪ Catalysts remove most of the hydrocarbon component of this soot and so help to remove an area of risk.
▪ In addition Barker showed that total hydrocarbon yield was not related to rank in the bituminous materials.
▪ In any case, is it feasible to deliver so large a quantity of hydrocarbons to the required point?
▪ Natural gas, which is an ecologically acceptable hydrocarbon fuel, now represents more than half of our reserve base.
▪ Studies on a range of alternative singlet forms of basic hydrocarbons have been done.
▪ With chlorinated hydrocarbons, the ease of biodegradation decreases as the number of chlorine atoms per molecule increases.
▪ Yet the real energy gain in fuels does not come from burning the carbon component of hydrocarbons, but the hydrogen portion.
The Collaborative International Dictionary

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.

Hydrocarbon burner, furnace, stove, a burner, furnace, or stove with which liquid fuel, as petroleum, is used.

Douglas Harper's Etymology Dictionary

"compound of hydrogen and carbon," 1826, formed in English from hydrogen + carbon.


n. (context organic chemistry English) A compound consisting only of carbon and hydrogen atoms.


n. an organic compound containing only carbon and hydrogen


In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon. Hydrocarbons from which one hydrogen atom has been removed are functional groups, called hydrocarbyls. Aromatic hydrocarbons (arenes), alkanes, alkenes, cycloalkanes and alkyne-based compounds are different types of hydrocarbons.

The majority of hydrocarbons found on Earth naturally occur in crude oil, where decomposed organic matter provides an abundance of carbon and hydrogen which, when bonded, can catenate to form seemingly limitless chains.

Usage examples of "hydrocarbon".

Hydrocarbon Oils -- Scotch Shale Oils -- Petroleum -- Vegetable and Animal Oils -- Testing and Adulteration of Oils -- Lubricating Greases -- Lubrication -- Appendices -- Index.

It was a terrible thing to see, so close, so low, packed with chlorides, benzines, phenols, hydrocarbons, or whatever the precise toxic content.

I gathered that it is something like a polyhydric alcohol and something like a substituted hydrocarbon, and yet different from either in that it contains fluorin in loose combination.

It will put an end to the need for methane and oil mining on Earth, and completely realign political maps drawn by the scarcity of hydrocarbons.

Thin aromatic hydrocarbon, one part per billion in the room, catalyzes him.

The stranger, with a courteous flourish, led the sailors behind the girth of the motortruck, where bucket after bucket of black hydrocarbons showered into an already-creaking loading bin.

The furniture was all fake-mahogany-veneered particleboard, and the window would only open three inches, barely enough to let in the greasy, hydrocarbon air.

To dismiss another possibility, hydrocarbons are too vulnerable to photodissociation to be reasonable as major atmospheric constituents on close-in planets.

Frost sizzled as it hit his snowsuit, sending up clouds of hydrocarbon steam.

There were obnoxious smells such as ketones and mercaptans, and dangerous ones such as benzene and toluene and other aromatic hydrocarbons.

Because it is the refractory tars in which polycyclic aromatic hydrocarbons and some other carcinogens are concentrated.

That of hydrocarbons spoke of burning candles and ancient, leaky, oil-burning furnaces.

Only a few were so soaked with hydrocarbons that they could make the fire flare.

Bosnian housekeeper having employed a product that contained xylene and chlorinated hydrocarbons to clean some crayon-marks off a bleached-oak end table.

Two hundred years of burning hydrocarbons started the planet going greenhouse.