noun
- The plural of corrasion; the process of erosion caused by the abrasive action of rock fragments and sediment carried by water, wind, or ice.
Usage: geological term; also called abrasion
Examples
- The corrasions of the riverbed were evident in the smooth, rounded stones.
- Glacial corrasions shaped the valley over thousands of years.
- Wind-driven sand causes corrasions on exposed rock surfaces in deserts.
- The corrasions visible in the canyon walls tell the story of ancient water flow.
- Geologists study corrasions to understand landscape formation.