activated carbon

noun

Definition of activated carbon

: 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 The city’s Water Treatment Department is adding activated carbon to abate the taste and odor, but the odor can be detected at levels as small around 8 parts per trillion, according to the city. John Spina, The Denver Post, "Algae growth from late-summer high temperatures causing odor in Lafayette water," 6 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'activated carbon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of activated carbon

1921, in the meaning defined above

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The first known use of activated carbon was in 1921

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Statistics for activated carbon

Last Updated

23 Nov 2019

Cite this Entry

“Activated carbon.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/activated%20carbon. Accessed 7 December 2019.

More from Merriam-Webster on activated carbon

Britannica.com: Encyclopedia article about activated carbon

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