Giffard injector

== English == === Etymology === Invented by Henri Giffard (1825–1882), French engineer. === Noun === Giffard injector (plural Giffard injectors) A steam ejector. === References === “Giffard injector”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.