Jump to: navigation, search
  • A substance that speeds up a chemical reaction without being consumed itself in the reaction.
  • A substance that alters (usually increases) the rate at which a reaction occurs.
  • a substance that accelerates a chemical reaction but does not become a part of the product produced
    Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby