Substrate may mean:
  • Substrate (building)
    Substrate (building)
    The word substrate comes from the Latin sub - stratum meaning 'the level below' and refers to any material existing or extracted from beneath the topsoil, including sand, chalk and clay....

    , Natural stone, masonry surface, ceramic and porcelain tiles
  • Substrate (aquarium)
    Substrate (aquarium)
    The substrate of an aquarium refers to the material used on the tank bottom. It can affect water chemistry, filtration, and the well-being of the aquarium's inhabitants, and is also an important part of the aquarium's aesthetic appeal...

    , the material used in the bottom of an aquarium
  • Substrate (vivarium)
    Substrate (vivarium)
    The substrate of a vivarium refers to the material used on the floor of the enclosure. It can affect humidity levels, filtration as well as the well being of the inhabitants. The appropriate substrate depends on the type of animal in the enclosure....

    , the material used in the bottom of a vivarium or terrarium
  • Substrate (biochemistry)
    Substrate (biochemistry)
    In biochemistry, a substrate is a molecule upon which an enzyme acts. Enzymes catalyze chemical reactions involving the substrate. In the case of a single substrate, the substrate binds with the enzyme active site, and an enzyme-substrate complex is formed. The substrate is transformed into one or...

    , a molecule that is acted upon by an enzyme
  • Substrate (materials science), the material on which a process is conducted
  • Substrate (biology)
    Substrate (biology)
    In biology a substrate is the surface a plant or animal lives upon and grows on. A substrate can include biotic or abiotic materials and animals. For example, encrusting algae that lives on a rock can be substrate for another animal that lives on top of the algae. See also substrate .-External...

    , the natural environment in which an organism lives, or the surface or medium on which an organism grows or is attached
  • Substrate (chemistry)
    Substrate (chemistry)
    In chemistry, a substrate is the chemical species being observed, which reacts with a reagent. This term is highly context-dependent. In particular, in biochemistry, an enzyme substrate is the material upon which an enzyme acts....

    , the reactant which is consumed during a catalytic or enzymatic reaction
  • Substrate (marine biology)
    Substrate (marine biology)
    Stream substrate is the material that rests at the bottom of a stream. There are several classification guides. One is:*Mud – silt and clay.*Sand – Particles between 0.06 and 2 mm in diameter.*Granule – Between 2 and 4 mm in diameter....

    , the earthy material that exists in the bottom of a marine habitat, like dirt, rocks, sand, or gravel
  • Substrate (printing)
    Substrate (printing)
    Substrate is a term used in converting process such as printing and Lamination or coating as a more general term to describe the base material onto which e.g. images will be printed and to be laminated as per the packing specification required for the product...

    , the base material that images will be printed onto
  • The stratum
    In geology and related fields, a stratum is a layer of sedimentary rock or soil with internally consistent characteristics that distinguish it from other layers...

     on which another geologic stratum lies


  • Substrate (semiconductor)
    Substrate (semiconductor)
    Substrate is a solid substance onto which a layer of another substance is applied, and to which that second substance adheres. In solid-state electronics, this term refers to a thin slice of material such as silicon, silicon dioxide, aluminum oxide, sapphire, germanium, gallium arsenide , an alloy...

    , in electronic wafers and thin film electronics, the physical material upon which a semiconductor device, e.g. a photovoltaic cell or an integrated circuit, is applied

  • An entire printed circuit board
    Printed circuit board
    A printed circuit board, or PCB, is used to mechanically support and electrically connect electronic components using conductive pathways, tracks or signal traces etched from copper sheets laminated onto a non-conductive substrate. It is also referred to as printed wiring board or etched wiring...

     (PCB), or more specifically, the electrically insulating portion of a PCB structure, such as fiberglass bound together with epoxy cement

Other uses

Substrate may also refer to:
  • Substratum
    In linguistics, a stratum or strate is a language that influences, or is influenced by another through contact. A substratum is a language which has lower power or prestige than another, while a superstratum is the language that has higher power or prestige. Both substratum and superstratum...

    , 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

See also

  • Monism
    Monism is any philosophical view which holds that there is unity in a given field of inquiry. Accordingly, some philosophers may hold that the universe is one rather than dualistic or pluralistic...

    , for the concept of the Universal substrate in philosophy
  • Reagent
    A reagent is a "substance or compound that is added to a system in order to bring about a chemical reaction, or added to see if a reaction occurs." Although the terms reactant and reagent are often used interchangeably, a reactant is less specifically a "substance that is consumed in the course of...

  • Reactant
  • Superstrate
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