a person or thing that injects a device for spraying fuel into the combustion chamber of an internal-combustion engine - Also: inspirator
a device for forcing water into a steam boiler
WordReference Random House Unabridged Dictionary of American English © 2025
in•jec•tor
(in jek′tər),USA pronunciation n.
- a person or thing that injects.
- Mechanical Engineering[Mach.]
- a device for injecting feedwater into a boiler against high pressure by means of a jet of steam.
- AutomotiveAlso called fuel injector. a mechanism consisting of a pump, valves, and nozzles for spraying fuel into the cylinders of an internal-combustion engine.
- inject + -or2 1735–45
Collins Concise English Dictionary © HarperCollins Publishers::
in•ject /ɪnˈdʒɛkt/USA pronunciation
v.
WordReference Random House Unabridged Dictionary of American English © 2025- Medicineto force (a fluid) into a part of the body with a special needle: [~ + object + into + object]The nurse injected the drug into the patient.[~ + object + with + object]She injected the patient with the drug.
- to introduce (something different):[~ + object + into + object]The host tried to inject some humor into the situation.
- to interject (a remark, etc.), as into conversation:[~ + object]had remarks that he wished to inject at that moment.
in•ject
(in jekt′),USA pronunciation v.t.
inject.,
- Medicineto force (a fluid) into a passage, cavity, or tissue:to inject a medicine into the veins.
- to introduce (something new or different):to inject humor into a situation.
- to introduce arbitrarily or inappropriately;
intrude. - to interject (a remark, suggestion, etc.), as into conversation.
- Latin injectus past participle of in(j)icere to throw in, equivalent. to in- in-2 + -jec- (combining form of jac- throw) + -tus past participle suffix
- 1590–1600
inject.,
- Medicine(in prescriptions) an injection.
- Latin injectiō
'injector' also found in these entries (note: many are not synonyms or translations):