surface 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}.] [1913 Webster]

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. [Webster 1913 Suppl.]


The Collaborative International Dictionary of English. 2000.

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