ablated

Thân thiện

The spacecraft's ablated heat shield shows clear signs of atmospheric entry.

Definition

1. Adjective:
   • Reduced in size or mass: Describes something that has been made smaller or has lost material, typically through a process involving intense heat, friction, or erosion.
   • Worn away or vaporized: Specifically refers to the intentional or natural removal of surface material, often by melting, burning, or vaporizing.

Usage

The adjective ablated is primarily used in technical and scientific contexts. It describes the state of an object after it has undergone ablation. It is often used to modify nouns like "surface," "shield," "material," or "tissue."

Examples

• Adjective:
  • After re-entry, the spacecraft's ablated heat shield was visibly charred and eroded.
  • The surgeon examined the ablated tissue to ensure the procedure was complete.
  • The ablated surface of the meteorite showed signs of extreme heating.

Advanced Usage

• In Medicine: Used to describe tissue that has been removed, typically by laser, radiofrequency, or extreme cold (cryoablation).
  • The cardiologist confirmed the success of the procedure by checking the ablated areas of the heart tissue.
• In Geology/Planetary Science: Describes rocks or surfaces worn down by natural erosive forces like wind or particle impact.
  • The ablated features on the Martian surface suggest a long history of sandstorm erosion.

Variants and Related Words

• Ablate (verb): The action of removing or wearing away material, especially by melting, vaporization, or erosion.
  • The heat shield is designed to ablate during atmospheric re-entry.
• Ablation (noun): The process or result of ablating.
  • Laser ablation is a precise technique for removing material.

Synonyms

• Eroded: Worn away by the action of wind, water, or other natural agents.
• Worn away: Reduced or diminished by friction or use.
• Vaporized: Converted into vapor, often by heat.
• Dissipated (in specific contexts): Scattered or dispelled, often referring to energy or mass.

Antonyms

• Accreted: Grown by gradual addition or accumulation.
• Intact: Remaining whole and undamaged.
• Uneroded: Not worn away.

Học thuật

Adjective

1. made smaller or less by melting or erosion or vaporization
   • the rocket's ablated head shield