Medium

Look up medium in Wiktionary, the free dictionary.

Medium may refer to:

Communication

• Medium (communication), any tool used to store and deliver information or data
  • Data storage device, any physical material that records or holds recorded information
    • Art medium, materials and techniques used by artists to produce art works
  • Transmission medium, in physics and telecommunications, any material substance which can propagate waves or energy
    • Optical medium, material through which electromagnetic waves propagate

Economics

• Medium of exchange, any monetary instrument used to pay for goods and/or services

Education

• Medium of instruction, any language or other tools used to educate, train, or instruct

Measurement

• A point or degree near the middle of a spectrum or range. For example: The medium degree of doneness in cooking meat; see: temperature (meat)

Natural Science

In general, a medium is a material that is either itself undergoing a process that is being studied or used (e.g. transmission medium), or enabling another process of interest (e.g. growth medium). Specific examples include the following:

• Processing medium, in industrial engineering, a material that plays a role in manufacturing processes
• Excitable medium, a nonlinear dynamic system which has the capacity to propagate a wave
• 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

Paranormal and New Age

• Mediumship, a practice in which a person acts as an intermediary between the physical world and what is believed to be a spiritual world.

Titles/Names

Dramatic works

• The Medium, an opera by Gian-Carlo Menotti
• Medium (TV series), a television series about a research medium for a district attorney\'s office

Print

• The Medium, an entertainment weekly at Rutgers University

Companies

• Medium Productions, a record label
• Me.dium, a social networking web application

See also

• Media

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