释义 |
WordReference Random House Learner's Dictionary of American English © 2024ca•tal•y•sis /kəˈtæləsɪs/USA pronunciation n. [uncountable]- Chemistrythe causing or speeding up of a chemical change by the addition of a catalyst.
WordReference Random House Unabridged Dictionary of American English © 2024ca•tal•y•sis (kə tal′ə sis),USA pronunciation n., pl. -ses (-sēz′).USA pronunciation - Chemistrythe causing or accelerating of a chemical change by the addition of a catalyst.
- an action between two or more persons or forces, initiated by an agent that itself remains unaffected by the action:social catalyses occasioned by controversial writings.
- Greek katálȳsis dissolution, equivalent. to katalý̄(ein) to dissolve (kata- cata- + lý̄ein to loosen) + -sis -sis
- Neo-Latin
- 1645–55;
cat•a•lyt•ic (kat′l it′ik),USA pronunciation adj., n. cat′a•lyt′i•cal, adj. cat′a•lyt′i•cal•ly, adv. |