steam jet ejector vs injector

steam jet ejector and injector both are nouns.

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

As nouns, injector is a hypernym of steam jet ejector; that is, injector is a word with a broader meaning than steam jet ejector:

steam jet ejector: an ejector that uses steam as the motive fluid to remove any non-condensible gases that may be present in the surface condenser.
injector: An injector, ejector, steam ejector, steam injector, eductor-jet pump or thermocompressor is a type of pump.

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

steam jet ejector (noun)	injector (noun)
an ejector that uses steam as the motive fluid to remove any non-condensible gases that may be present in the surface condenser.	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.