- a device for injecting feedwater into a boiler against high pressure by means of a jet of steam.
- Also called fuel injector. a mechanism consisting of a pump, valves, and nozzles for spraying fuel into the cylinders of an internal-combustion engine.
Examples from the Web for injector
Supplied by one injector and one pump, or two brass pumps, with valves and cages of best hard metal accurately fitted.Illustrated Catalogue of Locomotives|M. Baird, et. al..
Now, what sort of a fool-sort of an injector has Eustis loaded on to this rig this time?The Day's Work, Volume 1|Rudyard Kipling
If a larger proportion of acid is used it is likely to spoil the injector.Farm Engines and How to Run Them|James H. Stephenson
This impurity would probably prevent the successful working of an injector.
The manholes are now closed, and steam is turned on at the injector J by opening the valve v.