a mechanism in a firearm that ejects the empty shell case after firing | the technical aspects of doing something |
An injector, ejector, steam ejector, steam injector, eductor-jet pump or thermocompressor is a type of pump. | device consisting of a piece of machinery; has moving parts that perform some function |
a person who ousts or supplants someone else | (philosophy) the philosophical theory that all phenomena can be explained in terms of physical or biological causes |
| a natural object resembling a machine in structure or function |
| the atomic process that occurs during a chemical reaction |