absorber

/əb'sɔ:bə/

Thân thiện

A control rod made of a neutron absorber is lowered into the reactor core.

Definition

1. Noun:
   • A device or material that absorbs something, especially energy, sound, or shock: An "absorber" is something designed to take in and reduce the intensity or effect of a force, substance, or wave.
   • (Physics) A material that absorbs radiation or particles: In scientific contexts, particularly in nuclear physics, an "absorber" is a substance used to capture and diminish radiation.

Examples of Usage

• Noun:
  • The car's shock absorber makes the ride smoother on bumpy roads.
  • Neutron absorbers are crucial for controlling the reaction in a nuclear reactor.

Advanced Usage

• "Shock absorber": A specific device, typically in vehicles, that absorbs and dampens shock impulses from the road.
  • The mechanic recommended replacing the worn shock absorbers.
• "Energy absorber": A component designed to absorb kinetic energy, often for safety.
  • The crumple zone acts as an energy absorber in a car crash.

Variants and Related Words

• Absorb (verb): To take in or soak up.
  • The sponge can absorb a lot of water.
• Absorbance (noun): A measure of a material's ability to absorb light.
• Absorbent (adjective/noun): Having the ability to absorb; a substance that absorbs.
  • Use an absorbent cloth to clean the spill.

Synonyms

• Damper: A device for reducing shock or vibration.
• Buffer: Something that lessens the impact of a force.
• Sponge (figurative): Something that readily absorbs.

Related Phrases

• "Sound absorber" / "Acoustic absorber": Material used to reduce sound reflection.
  • The studio walls are lined with sound absorbers.
• "Vibration absorber": A device designed to dampen vibrations.
  • The machine was fitted with a vibration absorber to reduce noise.

Học thuật

Noun

1. (physics) material in a nuclear reactor that absorbs radiation