activated charcoal

American  

[ak-tuh-vayt-id chahr-kohl] / ˈæk təˌveɪt ɪd ˈtʃɑrˌkoʊl /

noun

1. activated carbon.

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activated charcoal Scientific  

/ ăk′tə-vā′tĭd /

1. Highly absorbent carbon obtained by heating granulated charcoal to expel any gases it contains, resulting in a highly porous form with a very large surface area. It is used primarily for purifying gases by adsorption, solvent recovery, or deodorization and as an antidote to certain poisons.

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Example Sentences

See Examples For:

activated charcoal

The team used a battery-like charging process to charge an inexpensive activated charcoal cloth with hydroxide ions.

From Science Daily ● Jun. 5, 2024

This green coffee extract is passed through activated charcoal filters, which trap the caffeine molecules while allowing the flavours to pass through.

From Salon ● Oct. 31, 2023

Prof Oberholster says there are some filtration techniques, like reverse osmosis, and treatments involving activated charcoal which are already used to remove bitter compounds from wine.

From BBC ● Jul. 5, 2023

The school system has also placed activated charcoal filters designed to trap gases on the mechanical equipment.

From Washington Post ● Mar. 17, 2023

I’m gonna run out and get some activated charcoal.

From "Booked" by Kwame Alexander