WordReference Random House Unabridged Dictionary of American English © 2026
au•to•ca•tal•y•sis
(ô′tō kə tal′ə sis),USA pronunciation n., pl. -ses (-sēz′).USA pronunciation [Chem., Biochem.]
au•to•cat•a•lyt•ic
(ô′tō kat′l it′ik),USA pronunciation adj.
au′to•cat′a•lyt′i•cal•ly, adv.
- Biochemistry, Chemistrycatalysis caused by a catalytic agent formed during a reaction.
- 1890–95; auto-1 + catalysis