Open English Wordnet
(n)thermocompressor, eductor-jet pump, ejector, injector, steam ejector, steam injectorAn injector, ejector, steam ejector, steam injector, eductor-jet pump or thermocompressor is a type of pump.“Depending on the specific application, an injector can take the form of an eductor-jet pump, a water eductor, a vacuum ejector, a steam-jet ejector, or an aspirator.”