Meaning of activated carbon

ac'tivated car'bon

Pronunciation: [key]
— Chem. Chem.
  1. a form of carbon having very fine pores: used chiefly for adsorbing gases or solutes, as in various filter systems for purification, deodorization, and decolorization. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.