controlled

Thân thiện

The scientist performed a controlled experiment in the laboratory.

Definition

1. Adjective:
   • Restrained or managed: Subject to regulation, direction, or constraint; kept within certain limits or boundaries.
   • Under command or authority: Operated, guided, or influenced by a specific person, system, or set of rules.

Usage Examples

• Adjective:
  • She spoke with controlled emotion during the difficult interview.
  • The experiment requires a controlled environment to ensure accurate results.
  • The release of the new drug is subject to controlled distribution.

Advanced Usage

• "In a controlled manner": Done with careful restraint and precision.
  • The firefighter approached the chemical spill in a controlled manner.
• "Under controlled conditions": Within a carefully managed and regulated set of circumstances.
  • The test was conducted under controlled conditions in the laboratory.

Variants and Related Words

• Control (verb/noun): To exercise restraint or direction over; the power to influence or direct.
  • He learned to control his temper. The pilot took control of the aircraft.
• Controller (noun): A person or device that directs or regulates something.
  • The air traffic controller guided the plane to a safe landing.
• Controllable (adjective): Capable of being controlled or managed.
  • The situation was tense but still controllable.

Synonyms

• Regulated: Managed or supervised according to rules.
• Restrained: Held back or kept under control.
• Managed: Handled or directed with skill.

Antonyms

• Uncontrolled: Not restrained or managed; wild or unchecked.
• Chaotic: In a state of complete confusion and disorder.

Related Phrases

• Controlled substance: A drug or chemical whose manufacture, possession, or use is regulated by the government.
  • Morphine is classified as a controlled substance.
• Remote-controlled: Operated from a distance by means of radio or electronic signals.
  • The children played with a remote-controlled car.

Học thuật

Adjective

1. restrained or managed or kept within certain bounds
   • controlled emotions
   • the controlled release of water from reservoirs