1.  exfoliation(n = noun.phenomenon) - the peeling off in flakes or scales of bark or dead skin; "exfoliation is increased by sunburn"
is a kind of organic phenomenon
Derived forms verb exfoliate₄, verb exfoliate₃, verb exfoliate₂

2.  exfoliation(n = noun.object) scale, scurf - a thin flake of dead epidermis shed from the surface of the skin;
is a kind of bit, chip, flake, fleck, scrap
has particulars: dander, dandruff
Derived forms verb exfoliate₄, verb exfoliate₃, verb exfoliate₂

   The scaling off of a bone, a rock, or a mineral, etc.; the state of being exfoliated. [1913 Webster]

N  divestment, taking off, nudity, bareness, undress, dishabille, the altogether, nudation, denudation, decortication, depilation, excoriation, desquamation, molting, exfoliation, trichosis, divested, bare, naked, nude, undressed, undraped, denuded, exposed, in dishabille, bald, threadbare, ragged, callow, roofless, in a state of nature, in nature's garb, in the buff, in native buff, in birthday suit, in puris naturalibus, with nothing on, stark naked, stark raving naked, bald as a coot, bare as the back of one's hand, out at elbows, barefoot, bareback, barebacked, leafless, napless, hairless.