efˈsɒʃən

Definitions

1. noun

the act or process of digging up or uncovering something, especially by erosion or the wearing away of the surface

“The effossion of the ancient ruins revealed a previously unknown historical site.”

2. noun

a depression or hollow formed by erosion or the wearing away of the surface

“The effossion in the sand dunes was a natural phenomenon that occurred over thousands of years.”