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see article on [[channelling]] at:
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[[Image:Processingmedium.jpg|right|frame]]
==English==
===Pronunciation===
*mē'diəm, /ˈmiːdiəm/
*:[[Rhymes:English:-iːdiəm|Rhymes: -iːdiəm]]
===Noun===
'''medium''' (''see individual senses for plurals'')
# The nature of the surrounding [[environment]], eg [[solid]], [[liquid]], [[gas]], [[vacuum]], or a specific [[substance]] such as a [[solvent]].
# The [[material]] or empty [[space]] through which [[signal]]s, [[wave]]s or [[force]]s pass.
# A format for communicating or presenting information.
# A nutrient solution for the growth of cells ''[[in vitro]]''
# The [[means]] or [[channel]] by which an [[aim]] is [[achieve]]d.
# A [[liquid]] [[base]] which carries [[pigment]] in [[paint]].
# Someone who supposedly [[convey]]s information from the [[spirit]] world
# Anything having a [[measurement]] [[intermediate]] between [[extreme]]s, such as a [[garment]] or [[container]].
# A person whom garments or apparel of intermediate size fit.
====Quotations====
* '''1996''' (sense 4): In some instances one can take advantage of differential carbohydrate fermentation capabilities of microorganisms by incorporating one or more carbohydrates in the '''medium''' along with a suitable pH indicator. Such media are called differential '''media''' (e.g., eosin methylene blue or MacConkey agar) and are commonly used to isolate enteric bacilli. — ''Medical Microbiology,'' ed. Samuel Baron, MD.
==== Communication ====
*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
*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 (see article on [[channel]]), 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
[[Category: General Reference]]
[[Category: General Reference]]
