steam injector vs injector

steam injector and injector both are nouns.

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

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

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

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

steam injector (noun)	injector (noun)
An injector, ejector, steam ejector, steam injector, eductor-jet pump or thermocompressor is a type of pump.	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.