activated carbon

noun

Meaning

A form of carbon processed to have small, low-volume pores that increase the surface area available for adsorption or chemical reactions.

Examples

  • Many home water filtration systems rely on a cartridge filled with activated carbon to remove chlorine and organic contaminants.
  • Emergency rooms sometimes administer activated carbon to patients who have ingested certain types of poisons to prevent absorption.

Synonyms: active charcoal, activated charcoal, adsorbent