Maceration n. : The act or process of macerating.

Example:
I have a deer skull that the flesh has turned into a leather almost. Will Maceration still work?

Taxonomy
Carbonic maceration, free encyclopedia, solids, skins, animal skins, search, free dictionary, liquid, chemistry, herbalism, fibrous plants, vegetable oil, stock, alcohol, acts, colour, tannin, aroma.

Defination from the web:
Maceration, in chemistry and herbalism, the preparation of an extract by soaking material (such as animal skins or parts of fibrous plants) in ... Maceration (wine), in viticulture, the steeping of grape skins and solids in must, where alcohol later acts as a solvent to extract colour, ...