ejector vs steam injector

ejector and steam injector both are nouns.

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

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

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

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

ejector (noun)	steam injector (noun)
a mechanism in a firearm that ejects the empty shell case after firing	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.
a person who ousts or supplants someone else