1. (

• extractor

) an instrument for extracting tight-fitting components ;

2. (

• centrifuge ,
• extractor ,
• separator

) an apparatus that uses centrifugal force to separate particles from a suspension ;

3. (

• cartridge_extractor ,
• cartridge_remover ,
• extractor ,

) a mechanism in a firearm that pulls an empty shell case out of the chamber and passes it to the ejector ;