| 单词 | activate |
| 释义 | activate —activation, n. /ak"teuh vayt'/, v.t., activated, activating. 1. to make active; cause to function or act. 2. Physics. a. to render more reactive; excite: to activate a molecule. b. to induce radioactivity. 3. to aerate (sewage) in order to accelerate decomposition of impure organic matter by microorganisms. 4. Chem. a. to make (carbon, a catalyst, molecules, etc.) more active. b. to hasten (reactions) by various means, as heating. 5. to place (a military unit or station) on an active status in an assigned capacity. [1620-30; ACTIVE + -ATE1] Syn. 1. actuate, start, turn on, set going. Ant. 1. stop, halt, check. |
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