ablate

/æb'leit/

Thân thiện

The surgeon carefully ablates the damaged tissue.

Definition

1. Verb:
   • To remove or destroy material, especially from the surface of an object, through erosion, vaporization, or surgical cutting. In a medical context, it specifically means to remove a body part or tissue, often by cutting or vaporizing it. In a scientific or engineering context, it refers to the wearing away of a material, such as a spacecraft's heat shield during atmospheric re-entry or rock by erosion.

Usage and Examples

• Verb:
  • The surgeon will ablate the tumor using a laser. (The surgeon will remove/destroy the tumor using a laser.)
  • During re-entry, the spacecraft's heat shield is designed to ablate, carrying heat away. (During re-entry, the spacecraft's heat shield is designed to wear away, carrying heat away.)
  • Glaciers can ablate rock over centuries. (Glaciers can wear away rock over centuries.)

Advanced Usage

• Technical/Scientific Context: The term is frequently used in medicine (e.g., cardiac ablation, tumor ablation), geology, and aerospace engineering to describe a controlled removal or wearing away process.
  • Radiofrequency energy is used to ablate the abnormal heart tissue causing the arrhythmia.
  • The intense heat caused the meteorite's surface to ablate rapidly.

Variants and Related Words

• Ablation (noun): The process or result of ablating.

  • Cardiac ablation is a common procedure.
  • The ablation of the glacier's surface has accelerated.

• Ablative (adjective): Relating to or involving ablation.

  • The spacecraft was coated with an ablative material.

Synonyms

• Remove (in medical/surgical contexts)
• Erode (in geological/erosional contexts)
• Vaporize (in contexts involving heat/energy)
• Wear away

Antonyms

• Deposit
• Accrete
• Build up

Học thuật

Verb

1. remove an organ or bodily structure
2. wear away through erosion or vaporization