Definify.com
Webster 1913 Edition
Injector
In-ject′or
,Noun.
1.
One who, or that which, injects.
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.