activate
動詞
UK/ˈæk.tɪ.veɪt/
US/ˈæk.tə.veɪt/
定義 activate 動詞
- Transitive
to initiate the functioning of something; to cause something to start working or be in effect.
The alarm system will activate when the sensor detects movement.
The application must be activated before it can be used.
For safety, activate the safety lock after each use.
- Transitivechemistryspecialized
to accelerate a chemical reaction, typically through the application of heat.
The catalyst activates the reaction, speeding up the production process.
Upon heating, the enzyme is activated and begins to break down sugars.
Ultraviolet light can activate chemical reactions and produce new compounds.