activated charcoal

ac·ti·vat·ed charcoal   (āk'tə-vā'tĭd) n.  Highly absorbent carbon obtained by heating granulated charcoal to exhaust contained gases, 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. Also called activated carbon.

Main Entry: ac·ti·vat·ed charcoal
Pronunciation: 'ak-t&-"vA-t&d-
Function: noun
: a highly adsorbent fine black odorlesstasteless powdered charcoal used in medicine especially as an antidote in many forms of poisoning and as an antiflatulent

activated charcoal ac·ti·vat·ed charcoal (āk'tə-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.

activated charcoal   (āk'tə-vā'tĭd)  Pronunciation Key  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.