Maceration may refer to: Maceration (food), in food preparation Maceration (wine), a step in wine-making Carbonic maceration, a wine-making technique Maceration (sewage), in sewage treatment Maceration (bone), a method of preparing bones Acid maceration, the use of an acid to extract micro-fossils from rock Maceration, in chemistry, the preparation of an extract by solvent extraction Maceration, in biology, the mechanical breakdown of ingested food into chyme Skin maceration, in dermatology, the softening and whitening of skin that is kept constantly wet Maceration, in poultry farming, a method of chick culling