Medium may refer to:

Science and technologyEdit



Wave physicsEdit

  • Transmission medium, in physics and telecommunications, any material substance which can propagate waves or energy
    • Active laser medium (also called gain medium or lasing medium), a quantum system that allows amplification of power (gain) of waves passing through (usually by stimulated emission)
    • Optical medium, in physics, a material through with electromagnetic waves propagate
  • Excitable medium, a non-linear dynamic system which has the capacity to propagate a wave

Other uses in science and technologyEdit

  • Data storage medium, a storage container in computing
  • Growth medium (or culture medium), in biotechnology, an object in which microorganisms or cells experience growth
  • Interplanetary medium, in astronomy, material which fills the solar system
  • Interstellar medium, in astronomy, the matter and energy content that exists between the stars within a galaxy
  • Porous medium, in engineering and earth sciences, a material that allows fluid to pass through it, such as sand
  • Processing medium, in industrial engineering, a material that plays a role in manufacturing processes

Arts, entertainment, and mediaEdit



Other arts, entertainment, and mediaEdit


  • Medium, a practitioner of mediumship, the practice of purportedly mediating communication between spirits of the dead and living human beings
  • Tau (rapper) (born 1986), Polish rapper formerly known as "Medium"

Other usesEdit

  • Medium, a doneness (gradation of cooked meat)
  • Medium pace bowling, another name for fast bowling in the sport of cricket

See alsoEdit