# abr

CEFR C2 · Verb

Source: https://englishreference.com/word/abr
Updated: 2026-05-18

## Definition

to wear away or scrape off a surface by rubbing. It is a technical word used to describe how rocks or skin change over time.

For teachers: to wear away or scrape off a surface through friction or erosion. Often used in geological or dermatological contexts to describe the gradual removal of material.

## Examples

- The wind abr the stone over many years.
- The constant friction of the sand against the rock caused the surface to abr until it was smooth.
- Geologists observed that the relentless action of the river abr the bedrock, eventually carving a deep canyon through the landscape over several millennia.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.