Exfoliation (noun)

1. The process of shedding or peeling off the outer layer of a material or surface.
2. The process of removing dead skin cells from the surface of the skin.
3. The separation or peeling away of a rock layer or mineral deposit from a larger mass.

Origin:

Derived from the latin word 'exfoliare' meaning to peel off or flake away.

Examples:

1. The exfoliation of the paint from the metal surface was a sign of corrosion.
2. The exfoliation of the skin helped to reveal a brighter and smoother complexion.
3. The exfoliation of the rock layer revealed an interesting geological formation.
4. The exfoliation of the metal surface was caused by a combination of weathering and corrosion.
5. The exfoliation of the dead skin cells allowed for better absorption of skincare products.