injector vs steam injector

injector and steam injector both are nouns.

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

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

injector and steam injector: 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 ejector, thermocompressor.

injector (noun)	steam injector (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.