From Longman Dictionary of Contemporary Englishextractorex‧trac‧tor /ɪəˈstræktə $ -ər/ (also extractor fan) noun [countable] TMACHINEa machine for removing air that is hot or smells unpleasant from a kitchen, factory etc
Examples from the Corpus
extractor• An extractor system and masks had not been effective.• We're probably breaking Health and Safety regulations: there should be extractor fans.• This would include things like providing adequate guarding, wiring up properly in accordance with electrical regulations, installing fume extractor equipment, etc.• Or mechanical extractor ventilation capable of providing at least three air changes per hour and operating with 15-minute overrun after activation.• Regrettably, it is still possible to find outmoded, noisy extractor fans in use in some facilities.• The extractor has multi-cell capability with a small footprint.• The extractor is connected to the bar pump by a plastic beer line.• The air is cleaned and then recirculated without the loss of expensively generated heat that occurs with extractor fans.From Longman Business Dictionaryextractorex‧trac‧tor /ɪkˈstræktə-ər/ noun [countable]1a machine that removes dirt, dust etc from the aira steam extractor that fits neatly into the ceilingBy not having extractor fans we’re breaking Health and Safety regulations.2MANUFACTURINGa company that removes RAW MATERIALs, such as gold or oil, from a place, for example the sea or the ground, and sells them to companies which use them in an industrial or manufacturing processMany Third World countries are the extractors of raw materials rather than being the refiners or processors of them.3COMPUTING software that finds and retrieves (=gets back) information that has been stored in the memory of a computer, on a website etcAn email extractor can extract e-mail addresses from web-pages on the Internet.an Internet web data extractor 