activation

• 表示使某物进入活动或工作状态的过程的动词，例如刺激生物或化学活性、激活系统或使设备进入战备状态。

A noun referring to the process of making something active or operative, such as stimulating biological or chemical activity, energizing a system, or arming a device.

不可数

1. Stimulation of activityB2formal

   The process of making something active or operational, especially in biological or chemical contexts.

   激活

   • The activation of the enzyme requires a specific temperature.
   • Hormonal activation triggers various metabolic processes.
   • The activation of the immune system helps fight infections.

   同义词actuationarousalexcitationinitiationstimulation

   反义词deactivationinhibitionsuppression

2. Energizing or making activeB2formal

   The act of causing something to have energy and become active.

   激活

   • The activation of the device requires pressing the power button.
   • Physical exercise leads to the activation of muscle cells.
   • The activation of the alarm system woke everyone up.

   同义词arousalenergizingexcitationignitioninitiationstimulation

   反义词deactivationdormancyinactivationquiescencesuppression

3. Making effective (e.g., a bomb)C1formal

   The process of making a device or mechanism ready for use or detonation.

   启动（例如炸弹）

   • The bomb's activation was triggered by a timer.
   • The activation of the explosive device was prevented by the security team.
   • Proper activation of the safety mechanism is crucial.

   同义词priming

   反义词deactivationdefusingdisarmament