| 释义 |
activated carbon
noun
or activated charcoal
: a highly adsorbent powdered or granular carbon or charcoal made usually by carbonization of carbonaceous materials (as wood or coconut shells) and chemical activation (as by oxidizing gases) and used chiefly for adsorbing gases, for purifying syrups, for removing undesirable colors and odors, and for solvent recovery — called also active carbon; compare bone black |