释义 |
ejec·tor \-ktə(r)\ noun (-s) 1. : one that ejects: as a. : the mechanism of a firearm that ejects the empty cartridge b. : a device that ejects finished work (as a cast slug) from the mold of a typecasting mechanism or the die of a die-casting mechanism or hydraulic press < the casting is removed by pressure from ejector pins fastened to the ejector plate behind the movable die — David Basch > 2. : a jet pump for withdrawing a gas, fluid, or powdery substance (as air, water, or sand) from a space |