activated charcoal

[ ăktə-vā′tĭd ]

n.

Finely powdered charcoal treated to increase its adsorptive power; it is used in treating diarrhea, as an antidote, and in purification processes in industry.

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Scientific definitions for activated charcoal

activated charcoal
[ ăktə-vā′tĭd ]

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.