Layer

Layer or layered may refer to:

Arts, entertainment, and media

Stratum, a layer of rock or soil with internally consistent characteristics
Thermocline, a layer within a body of water where the temperature changes rapidly with depth
Layer, an area in the neocortex with specific structure and connection pattern among neurons

Layer (object-oriented design), a group of classes that have the same set of link-time module dependencies to other modules
Layers (digital image editing), used in digital image editing to separate different elements of an image
Layers, in 2D computer graphics
Abstraction layer, a way of hiding the implementation details of a particular set of functionality
Internet protocol suite layers
OSI model layers
Layer element, a deprecated {{Tag|iframe|o}}-like tag, unique to Netscape 4 browsers
Layer of objects, a term in CAD
Map layer, a set of graphical information, especially in geographic information systems
Layer (deep learning), a structure in the architecture of a deep learning model, which take information from the previous layers and then pass information to the next layer

Layer, a tier of archaeological deposits in an excavation
Layer hen, a hen raised to produce eggs
Layer cake, a cake consisting of stacked layers
Layered, Inc., an American software company
Layered clothing, the wearing of multiple layers of clothing for practical or fashion purposes
Layered hair, a popular hair-styling technique
Walter Francis Layer (1907-1965), American politician and U.S. Marine Corps colonel