Definition of "extractor" [ex•tract•or]

• Any of various mechanical devices that extract a component from others (noun)
• An apparatus that uses a solvent to remove soluble substances from a mixture (noun)
• A part of the bolt that removes a cartridge from the chamber (noun)
• A particular kind of bipartite graph (noun)

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• "The term extractor tool analyzes the content of a given page and extracts the terms that appear to be targeted at search engines"
• "Now, I know the extractor is working properly, as it has no problems ripping the rims of the cases from the cartridge."
• "It's the most astounding thing I ever – My dear lady, an extractor is used to get the hooks out of fish."