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English definition of “purifier”

purifier

noun [C]     /ˈpjʊə.rɪ.faɪ.ər/ US  /ˈpjʊr.ɪ.faɪ.ɚ/
a machine or a substance that removes harmful substances from something: a water purifier an air purifier In traditional medicine, certain herbs are used as blood purifiers.Machinery and machinesHousehold equipment and domestic choresCleaning generallyPersonal hygiene and appearance - general words
(Definition of purifier noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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