activated carbon

noun

: a highly adsorbent powdered or granular carbon made usually by carbonization and chemical activation and used chiefly for purifying by adsorption

called also activated charcoal

Examples of activated carbon in a Sentence

Recent Examples on the Web Some air purifiers for pets also have activated carbon filters to reduce odors. Samantha Jones Updated, Better Homes & Gardens, 4 May 2023 Other filtration technologies are harder to evaluate, including those that incorporate activated carbon and ultraviolet light. Rachel Rothman, Good Housekeeping, 21 June 2022 The Blueair Blue Pure 211+ air purifier ($299 at Home Depot) has activated carbon pellets incorporated into the pleated filter. oregonlive, 14 May 2021 These Kinglight activated carbon filters are made from cotton and non-woven material. NBC News, 15 Aug. 2020 The Blueair Blue Pure 211+ air purifier ($299 at Best Buy and Home Depot) has activated carbon pellets incorporated into the pleated filter, says Consumer Reports. oregonlive, 15 Sep. 2020 In auto mode, Dyson purifiers will automatically sense any pollutants in the room and will adjust accordingly to capture the pollutants in the HEPA and activated carbon filter system. Sunset Magazine, 10 Sep. 2020 Many filters also include activated carbon in their elements to remove unpleasant tastes. The Editors, Field & Stream, 27 Apr. 2020 Many filters also include activated carbon in the elements to remove unpleasant tastes. The Editors, Field & Stream, 5 Mar. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'activated carbon.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1921, in the meaning defined above

Time Traveler
The first known use of activated carbon was in 1921

Dictionary Entries Near activated carbon

Cite this Entry

“Activated carbon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/activated%20carbon. Accessed 31 Oct. 2024.

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