activate
/'æktiveit/
Definition
- Verb:
- To make active or functional: To cause something to start operating, working, or reacting.
- To initiate a process: To set in motion or trigger a specific action, reaction, or series of events.
- (Chemistry/Physics) To make reactive or radioactive: To treat a substance so that it becomes chemically or physically active.
Usage
- General Use: To start a device, system, or process.
- You must activate your new credit card by calling the bank.
- The alarm is activated by motion.
- Scientific/Technical Use: To induce a chemical or physical change.
- The enzyme activates the reaction.
- The process activates the carbon, making it highly adsorbent.
Advanced Usage
- "to activate a mechanism": to initiate the operation of a mechanical or electronic system.
- Pulling the lever activates the emergency brake.
- "to activate a response": to trigger a biological or psychological reaction.
- The vaccine activates the body's immune system.
Variants and Related Words
- Activation (n): The process of making something active or operative.
- The activation of the software requires a license key.
- Activator (n): A substance or device that causes activation.
- This chemical serves as a catalyst activator.
- Active (adj): Functioning or operating; in a state of action.
- Keep the application active in the background.
- Deactivate (v): To make inactive or dysfunctional; the opposite of activate.
- Please deactivate your old security pass.
Synonyms
- Trigger: To cause something to start.
- Initiate: To cause a process or action to begin.
- Enable: To make something operational.
- Stimulate: To encourage something into activity.
Related Phrasal Verbs
- Activate against: (Specialized) To initiate a defensive or offensive action targeting something.
- The immune cells were activated against the virus.
Related Idioms
- Activate the troops: (Military) To mobilize soldiers or units for action.
- The general gave the order to activate the troops.
- Activate a plan: To put a pre-arranged strategy into action.
- In case of fire, activate the evacuation plan immediately.
Verb
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make (substances) radioactive
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aerate (sewage) so as to favor the growth of organisms that decompose organic matter
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make more adsorptive
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activate a metal
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make active or more active
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activate an old file
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put in motion or move to act
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trigger a reaction
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actuate the circuits
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