powered

Thân thiện

A child flies a battery-powered toy airplane in the park.

Definition

1. Adjective:
   • Equipped with or operated by a source of power: Describes something that has an engine, motor, or other mechanism that provides energy for its operation.
   • Having a particular type of power source: Often used in combination to specify the kind of power used, such as electricity, fuel, or human effort.

Usage Examples

• Adjective:
  • The factory uses powered machinery to increase production.
  • Modern ships are typically powered by diesel engines.
  • The device is battery-powered for portability.

Advanced Usage

• "powered up": (often used as a phrasal verb) To turn on or activate a machine or electronic device.
  • He powered up the computer to begin his work.
• "self-powered": Able to generate its own power independently.
  • The remote sensor is self-powered, using a small solar panel.

Variants and Related Words

• Power (n/verb): The source of energy or the ability to do work; to supply with energy.
  • The dam provides power to the entire region.
• Powerful (adj): Having great power or strength.
  • The powerful engine accelerated the car quickly.
• Powerless (adj): Lacking power or ability.
  • During the blackout, we were powerless to use any appliances.

Synonyms

• Motorized: Equipped with a motor.
• Mechanized: Operated by machinery.
• Driven: Propelled or operated by a specified force.

Related Phrases

• Powered by: Indicates the specific source of energy.
  • The vehicle is powered by clean hydrogen fuel cells.
• Powered down: The opposite of "powered up"; to turn off or shut down a system.
  • Remember to power down all equipment before leaving the lab.

Notes on Usage

• The adjective powered is frequently used in compound adjectives (e.g., , , ) to create precise technical descriptions. Its core meaning remains "supplied with power."
• In a figurative sense, it can describe something energized or enabled, though this is less common (e.g., ).

Học thuật

Adjective

1. (often used in combination) having or using or propelled by means of power or power of a specified kind
   • powered flight
   • kerosine-powered jet engines