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

The resulting water, which now contains the caffeine and any flavor compounds that dissolved out from the beans, gets passed through activated charcoal filters.

From Salon • Jul. 23, 2024

The researchers hypothesised that charging activated charcoal with chemical compounds called hydroxides would make it suitable for carbon capture, since hydroxides form reversible bonds with CO2.

From Science Daily • Jun. 5, 2024

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

Some filtration techniques familiar to winemakers can help, including membrane filtration, reverse osmosis, and treatments involving activated charcoal or milk proteins, which are already used to remove bitter compounds from wine.

From Washington Post • Sep. 10, 2021

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

From "Booked" by Kwame Alexander