Medium
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220522399
2008-06-20T07:37:21Z
220.255.112.92
[[WP:UNDO|Undid]] revision 220350439 by [[Special:Contributions/124.104.158.102|124.104.158.102]] ([[User talk:124.104.158.102|talk]])
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'''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 radiation|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 [[comparative|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
*[[gain medium]], an quantum system that allows amplification of power (gain) of waves passing through (usually by [[stimulated emission]])
*[[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 [[Physics|physical]] world and what is believed to be a [[Supernatural|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 (Rutgers)|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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