injector vs steam ejector

injector and steam ejector both are nouns.

Word	Noun	Adjective	Verb	Adverb
injector	Yes	No	No	No
steam ejector	Yes	No	No	No

As nouns, injector and steam ejector are synonyms defined as:

injector and steam ejector: An injector, ejector, steam ejector, steam injector, eductor-jet pump or thermocompressor is a type of pump.

Other synonyms of injector include eductor-jet pump, ejector, steam injector, thermocompressor.

injector (noun)	steam ejector (noun)
a contrivance for injecting (e.g., water into the boiler of a steam engine or particles into an accelerator etc.)	An injector, ejector, steam ejector, steam injector, eductor-jet pump or thermocompressor is a type of pump.
An injector, ejector, steam ejector, steam injector, eductor-jet pump or thermocompressor is a type of pump.