a term meaning, generally, a surface to which something adheres, the base material to be printed on, or the surface to which a pressure sensitive decal is adhered In particular, any surface on which screen printing is applied
A sheet of base material with or without an interconnection pattern and on which or within which "discrete components" or integrated circuits or both can be located
A material on whose surface an adhesive substance is spread for bonding or coating Any material which provides a supporting surface for other materials, especially materials used to support printed circuit patterns (See base, reinforcement, backing)
"Supporting surface" on which an organism grows The substrate may simply provide structural support, or may provide water and nutrients A substrate may be inorganic, such as rock or soil, or it may be organic, such as wood
A surface upon which an organism grows, sometimes by using chemicals of particles in the material as food (also used to describe materials that can become involved in chemical reactions, particularly where those reactions are mediated by the enzymes of living organisms)