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The Collaborative International Dictionary
Carburetor

Carburetor \Car"bu*ret`or\, Carburettor \Car"bu*ret`tor\, n.

  1. (Chem.) An apparatus in which coal gas, hydrogen, or air is passed through or over a volatile hydrocarbon, in order to confer or increase illuminating power. [Written also carburettor.]

  2. One that carburets; specif., an apparatus in which air or gas is carbureted, as by passing it through a light petroleum oil. The carburetor for a gasoline engine is usually either a surface carburetor, or alternatively a float carburetor (called also float-feed carburetor, or spray carburetor). In the former air is charged by being passed over the surface of gasoline. In the latter a fine spray of gasoline is drawn from an atomizing nozzle by a current of air induced by the suction of the engine piston, the supply of gasoline being regulated by a float which actuates a needle valve controlling the outlet of the feed pipe. Alcohol and other volatile inflammable liquids may be used instead of gasoline.

Douglas Harper's Etymology Dictionary
carburetor

device to enhance a gas flame, 1866, from carburet "compound of carbon and another substance" (1795, now displaced by carbide), also used as a verb, "to combine with carbon" (1802); from carb-, comb. form of carbon, + -uret, an archaic suffix formed from Modern Latin -uretum to parallel French words in -ure. Motor vehicle sense is from 1896.

Wiktionary
carburetor

alt. (context US English) A device in an internal combustion engine where fuel is vaporized and mixed with air prior to ignition. n. (context US English) A device in an internal combustion engine where fuel is vaporized and mixed with air prior to ignition.

WordNet
carburetor

n. mixes air with gasoline vapor prior to explosion [syn: carburettor]

Wikipedia
Carburetor

A carburetor ( American and Canadian spelling), carburator, carburettor, or carburetter ( Commonwealth spelling) is a device that blends air and fuel for an internal combustion engine. It is sometimes colloquially shortened to carb in North America or carby in Australia. To carburate or carburet (and thus carburation or carburetion, respectively) is to blend the air and fuel or to equip (an engine) with a carburetor for that purpose.

Carburetors have largely been supplanted in the automotive and, to a lesser extent, aviation industries by fuel injection. They are still common on small engines for lawn mowers, rototillers, and other equipment.

Usage examples of "carburetor".

Did the tractors clog with aeroplankton in their air filters and carburetors?

And because gasoline is heavy and clumsy to put in, and the motors break down quite regularly, and the carburetors need constant adjusting, and the dam things are cold in the winter and have been known to catch fire and burn right to the ground!

When introduced to cars, other tribes had simply taken to using the Anglo words for carburetors, pistons, spark plugs, etc.

She was informed about the carburetor needing frequent adjustment, the transmission bands needing tightening and the fan belts replacing.

The carburetor you want to adjust is mine, and I'm not that big a fool!

Others squatted on the ground, making last-minute carburetor adjustments, and those with nothing else to do stood quietly beside their bikes, smoking cigarettes or sipping from one of the beer cans that were being passed around.

Apparently some enemy had crept in during the night and screwed every one of the carburetor adjustments, causing them all to need retuning.

They carefully prime their carburetors so the bikes will start on the first kick.

Some of them flooded their carburetors, then raged and cursed as they jumped repeatedly on the kick starters.

Its eight cylinders fired, the carburetor sucking in vast quantities of fuel.

When they were gone he first cleaned the surface of the metal with carburetor cleaner, then applied a thin coating of what looked like double-sided tape to the top of the shock absorber.

But I thought about the carburetor I'd just been forced to replace in my old car.

Finally, noting a depressing lack of fuel squirting into the carburetor, she gave it up as a lost cause and radioed Dispatch to call a tow truck from Cortez.

A line of fifty trucks from the Zenith Steel and Machinery Company was attacked by strikers-rushing out from the sidewalk, pulling drivers from the seats, smashing carburetors and commutators, while telephone girls cheered from the walk, and small boys heaved bricks.

Our driver was right behind me while the engine was still dieseling the last of the carburetor fumes.