Answer: injector

AnswerCrossword Clue
INJECTORJet pump for fuel.
injectorto introduce into something forcefully inject fuel into an engine
injectorforce a fluid into (as for medical purposes) inject a drug into the bloodstream
injectorintroduce as an element or factor in or into some situation or subject condemning any attempt to inject religious bigotry into the campaign Current Biography
injectorone who injects (to force liquid into)