ionizer

/ˈaɪəˌnaɪzər/
noun
  1. A device that produces negative ions, often used to clean the air by making particles clump together and fall out of the air.
    • Some people use an ionizer in their car to keep the air feeling fresh.
    • She bought an ionizer for her bedroom to help reduce dust and allergens.
    • The office installed an ionizer to improve air quality for the employees.
Synonyms
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