Exfoliation

noun

1. A scaling off; the peeling off or separation of scales or laminæ, as from the cuticle, diseased bone, disintegrating rocks, etc.; desquamation.
2. That which is exfoliated or scaled off.
3. The scaling off of a bone, a rock, or a mineral, etc.; the state of being exfoliated.
4. The scaling off of a bone, a rock, or a mineral, etc.; the state of being exfoliated.
5. The loss of leaves from a plant.