activated

/'æktiveitid/

Thân thiện

A scientist observes the activated solution glowing under ultraviolet light.

Definition

1. Adjective:
   • (Of a military unit) set up and placed on active assignment: Refers to a military unit that has been formally established and assigned to active duty.
   • Rendered active; made functional or reactive: Describes something that has been treated or changed so that it becomes active, such as becoming radioactive, luminescent, photosensitive, or electrically conductive.
   • (Chemistry, of a molecule) made reactive or more reactive: Refers to a molecule that has been put into a state where it can more readily undergo chemical reactions.
   • (Of sewage) treated with aeration and bacteria to aid decomposition: Describes wastewater that has undergone a specific biological treatment process to break down organic matter.

Usage Examples

• Adjective:
  • The activated unit was deployed to the region within 48 hours.
  • The activated charcoal in the filter removes impurities from the water.
  • In this experiment, the enzyme must be activated by the presence of a cofactor.
  • The treatment plant processes activated sludge to clean the wastewater.

Advanced Usage

• "Activated" in a technical/scientific context: Often implies a preparatory step that enables a subsequent function or reaction.
  • The security system remains in standby mode until activated by a motion sensor.
  • The catalyst is activated under high temperature and pressure.

Variants and Related Words

• Activate (verb): To make active or functional.
  • Please activate your new credit card by calling the bank.
• Activation (noun): The process of making something active.
  • The activation of the alarm triggered an immediate response.
• Activator (noun): A substance or device that causes activation.
  • This protein serves as a gene activator.

Synonyms

• Activated (military): Mobilized, commissioned.
• Activated (general): Energized, triggered, initiated, switched on.
• Activated (chemistry): Catalyzed, potentiated.

Related Phrasal Verbs / Constructions

• Activate for: To prepare and assign for a specific purpose.
  • The reserves were activated for disaster relief duties.

Related Idioms

Học thuật

Adjective

1. (military) set up and placed on active assignment
   • a newly activated unit
2. rendered active; e.g. rendered radioactive or luminescent or photosensitive or conductive
3. (of e.g. a molecule) made reactive or more reactive
4. (of sewage) treated with aeration and bacteria to aid decomposition

Từ đồng nghĩa

• excited