River Abrasion – Rocks carried along by the river wear down the river bed and banks

In order to understand river abrasion you need to understand the word abrasion.

Abrasion – wear down or grind down.

To remember the meaning of the term River Abrasion, use the following mnemonic:

You could hear the brays from (abrasion) the donkey as she wore down and ground down the corn.

So river abrasion is wearing down and grinding down a river's bed and banks.

Abrasion is when two surfaces rub against each other and attrition is where they bounce or smash against each other.

Abrasion is nibbling, scratching and scuffing.