// Workers AI · dad joke modeWhat did the substrate say? I'm under pressure.

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 (aquatic environment), the earthy material that exists in the bottom of an aquatic habitat, like dirt, rocks, sand, or gravel
  • Substrate (vivarium), the material used in the bottom of a vivarium or terrarium
  • Substrate (aquarium), the material used in the bottom of an aquarium
• Substrate (building), natural stone, masonry surface, ceramic and porcelain tiles
• Substrate (chemistry), the reactant which is consumed during a catalytic or enzymatic reaction
• Substrate (materials science), the material on which a process is conducted
• Substrate (printing), the base material that images will be printed onto
• 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

Other uses

• 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
• Substrate (blockchain framework) is a framework for developing blockchains on the Polkadot network

See also

• Substrata (disambiguation)
• Monism, for the concept of the universal substrate in philosophy
• Reagent
• Reactant
• Subjectile
• Superstrate