activated charcoal(redirected from Insta-Char)
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Highly absorbent carbon obtained by heating granulated charcoal to exhaust contained gases, resulting in a very porous form with a large surface area. It is used chiefly for purifying gases by adsorption, solvent recovery, or deodorization and as an antidote to certain poisons. Also called activated carbon.
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|Noun||1.||activated charcoal - powdered or granular carbon used for purifying by adsorption; given orally (as a slurry) it is an antidote for some kinds of poisons|