单词 | activate |
释义 | ac·ti·vate (ăktə-vāt′) tr.v. ac·ti·vat·ed, ac·ti·vat·ing, ac·ti·vates 1. To set in motion; make active or more active. 2. To organize or create (a military unit, for example): activate the National Guard. 3. To treat (sewage) with aeration and bacteria to aid decomposition. 4. Chemistry To accelerate a reaction in, as by heat. 5. Physics To make (a substance) radioactive. 6. Biology To convert (a molecule or cell) into a form that carries out a specific action: activate an enzyme; activate B cells. ac′ti·vation n. acti·va′tor n. |
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