Meaning of “ionizer” in the English Dictionary

british dictionary

"ionizer" in British English

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ionizernoun [ C ]

UK usually ioniser uk /ˈaɪ.əˌnaɪ.zə/ us /ˈaɪ.əˌnaɪ.zɚ/

an electrical device that puts negative ions into the air in a room in order to make the air fresher and healthier

(Definition of “ionizer” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)