- extractor - an instrument for extracting tight-fitting components
--1 is a kind of instrument
--1 has particulars: forcepsDerived form: verb extract1 - centrifuge, extractor, separator - an apparatus that uses centrifugal force to separate particles from a suspension
--2 is a kind of apparatus, setup
--2 has particulars: hematocrit, haematocrit; ultracentrifuge - 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
--3 is a kind of mechanism
--3 is a part of gun