{ } a. [ Auto- + Gr. karpo`s fruit. ] (Bot.) Consisting of the ripened pericarp with no other parts adnate to it, as a peach, a poppy capsule, or a grape. [ 1913 Webster ]
n. [ Auto- + catalysis. ] (Chem.) Self-catalysis; catalysis of a substance by one of its own products, as of silver oxide by the silver formed by reduction of a small portion of it. -- Au`to*cat`a*lyt"ic a. [Webster 1913 Suppl.]