Substrate

Substrate may refer to:

Physical layers

Substrate (biology), the natural environment in which an organism lives, or the surface or medium on which an organism grows or is attached
- Substrate (locomotion)
  , the surface over which an organism locomotes
- Substrate (marine biology), the earthy material that exists in the bottom of a marine habitat, like dirt, rocks, sand, or gravel
Substrate (building), natural stone, masonry surface, ceramic and porcelain tiles
Substrate (chemistry), the reactant which is consumed during a catalytic or enzymatic reaction
- Substrate (biochemistry)
  , a molecule that is acted upon by an enzyme
Substrate (materials science), the material on which a process is conducted
Substrate (printing), the base material that images will be printed onto
Substrate (vivarium), the material used in the bottom of a vivarium or terrarium
- Substrate (aquarium), the material used in the bottom of an aquarium
Printed circuit board (PCB), or more specifically, the electrically insulating portion of a PCB structure, such as fiberglass bound together with epoxy cement
Substrate (geology)
, a stratum on which another geologic stratum lies
Wafer (electronics), sometimes called a substrate for deposition or growth processes
Substrate (electronics packaging), the supporting material upon which or within which the elements of a semiconductor device are fabricated or attached

Substratum (linguistics)
, in linguistics, a language that influences but is supplanted by a second language
Neural substrate, in neuroscience, the set of brain structures that underlies a specific behavior or psychological state