abrasion
/ə'breiʤn/
Học thuậtThân thiện
Definition
- Noun:
- The process of wearing down or rubbing away by friction: "Abrasion" refers to the gradual wearing down of a surface through scraping or rubbing against another material.
- A damaged area of the skin or a surface caused by scraping or wearing away: "Abrasion" also means the specific injury or mark resulting from such friction, such as a scrape on the skin.
Usage and Examples
Noun (Process):
- The constant abrasion of the river stones made them smooth. (The wearing down of the stones was caused by the water's friction.)
- Wind abrasion can shape desert landscapes over time. (The erosion is a result of friction from wind-blown particles.)
Noun (Injury/Damage):
- She got a minor abrasion on her knee from falling off her bike. (The injury is a scrape where the skin was worn off.)
- The table had several abrasions on its surface from years of use. (The marks are areas where the finish was worn away.)
Advanced Usage
- Technical/Scientific Context: In geology and engineering, "abrasion" specifically denotes erosion or wear caused by the grinding action of solid particles (e.g., sand, ice) carried by wind, water, or ice.
- Glacial abrasion leaves characteristic striations on bedrock.
- Figurative Use: While less common, "abrasion" can describe a figurative wearing down through persistent friction or conflict.
- The constant abrasion of their opposing viewpoints made collaboration difficult.
Variants and Related Words
- Abrasive (adj/noun):
- (Adjective) Having a rough quality that can wear away a surface. Sandpaper is an abrasive material.
- (Noun) A substance used for grinding or polishing. The cleaner contains a fine abrasive.
- Abrade (verb): To scrape or wear away by friction.
Synonyms
- Scrape: (n) A mark or injury caused by dragging something rough across a surface.
- Erosion: (n) The process of being worn away, often by natural forces like water or wind. (Note: "Erosion" is a broader term that can include chemical processes, while "abrasion" specifically involves mechanical friction.)
- Friction burn: (n) A specific type of abrasion caused by rapid rubbing against the skin.
- Attrition: (n) The process of gradually reducing something's strength or size through sustained pressure or friction.
Related Phrases and Compounds
- Abrasion resistance: (noun phrase) The ability of a material to withstand surface wear.
- This coating offers excellent abrasion resistance.
- Road abrasion: (noun phrase) Wear on tires or road surfaces caused by friction.
Noun
- the wearing down of rock particles by friction due to water or wind or ice
- erosion by friction
- an abraded area where the skin is torn or worn off