Injector

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Injector \In*ject"or\, n.
     1. One who, or that which, injects.
        [1913 Webster]
  
     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.
  
     {fuel injector}, a device for actively injecting fuel into an
        internal-combustion engines by directly forcing the liquid
        fuel into the combustion chamber at an appropriate point
        in the piston cycle; -- an alternative to a {carburetor},
        in which an air-fuel mixture is drawn in by the downward
        stroke of the piston.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  injector
       n : a contrivance for injecting (e.g., water into the boiler of
           a steam engine or particles into an accelerator etc.)