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Synonyms

purifier

British  
/ ˈpjʊərɪˌfaɪə /

noun

  1. a device or substance that frees something of extraneous, contaminating, or debasing matter

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

After pitching their best ideas—an automated pothole-repair machine, a wearable air purifier for people with allergies—the students coalesced around a winner: a self-inflating-tire product.

From The Wall Street Journal • Nov. 12, 2025

Dorsey recommends using an air purifier, particularly if you live in an urban area.

From The Wall Street Journal • Oct. 31, 2025

El-Hasan recommends people pay attention to two additional factors when purchasing their purifier: the square footage they cover and the cost of replacement filters.

From Los Angeles Times • Jan. 14, 2025

Ms Garg now spends nearly all her time indoors, next to her air purifier, trying to shield herself from the toxic air outside.

From BBC • Nov. 25, 2024

“The purifier works so well, you can even pee in it.”

From "Uglies" by Scott Westerfeld