Layer

Layer or layered may refer to:

Arts, entertainment, and media

 * Layers (Kungs album)
 * Layers (Les McCann album)
 * Layers (Royce da 5′9″ album)
 * “Layers”, the title track of Royce da 5′9″’s sixth studio album
 * Layer, a female Maverick Hunter in the Mega Man X series
 * Layer, an element in a digital painting
 * Layer (film), a 2022 Russian film

Science

 * 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

Computing

 * 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 -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

Electronics

 * Layer (electronics), a single thickness of some material covering a surface
 * Dual layer recording, a DVD layer
 * F region, or Appleton Layer in telecommunications

Other uses

 * 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