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injector |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Injector \In*ject"or\, n. 1. One who or that which injects. 2. (Mach.) A contrivance for forcing feed water into a steam boiler by the direct action of the steam upon the water. The water is driven into the boiler by the impulse of a jet of the steam which becomes condensed as soon as it strikes the stream of cold water it impels; -- also called {Giffard's injector}, from the inventor.