AskDefine | Define medium

Dictionary Definition

medium adj
1 around the middle of a scale of evaluation of physical measures; "an orange of average size"; "intermediate capacity"; "a plane with intermediate range"; "medium bombers" [syn: average, intermediate]
2 (of meat) cooked until there is just a little pink meat inside


1 a means or instrumentality for storing or communicating information
2 the surrounding environment; "fish require an aqueous medium"
3 an intervening substance through which signals can travel as a means for communication
4 (bacteriology) a nutrient substance (solid or liquid) that is used to cultivate micro-organisms [syn: culture medium]
5 an intervening substance through which something is achieved; "the dissolving medium is called a solvent"
6 a liquid with which pigment is mixed by a painter
7 (biology) a substance in which specimens are preserved or displayed
8 a state that is intermediate between extremes; a middle position; "a happy medium"
9 someone who serves as an intermediary between the living and the dead; "he consulted several mediums" [syn: spiritualist]
10 transmissions that are disseminated widely to the public [syn: mass medium]
11 an occupation for which you are especially well suited; "in law he found his true metier" [syn: metier] [also: media (pl)]

User Contributed Dictionary



  • , /ˈmiːdiəm/, /"mi:di@m/
  • Rhymes with: -iːdiəm


  1. In the context of "plural media": The nature of the surrounding environment, e.g. solid, liquid, gas, vacuum, or a specific substance such as a solvent.
  2. In the context of "plural media": The material or empty space through which signals, waves or forces pass.
  3. In the context of "plural media": A format for communicating or presenting information.
  4. In the context of "plural media|microbiology": A nutrient solution for the growth of cells in vitro.
  5. In the context of "plural media": The means or channel by which an aim is achieved.
  6. In the context of "plural mediums": A liquid base which carries pigment in paint.
  7. In the context of "plural mediums|spiritualism": Someone who supposedly conveys information from the spirit world.
  8. In the context of "plural mediums": Anything having a measurement intermediate between extremes, such as a garment or container.
  9. In the context of "plural mediums": A person whom garments or apparel of intermediate size fit.


  • 1996: 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.

Derived terms


the nature of the surrounding environment
  • Finnish: media, tiedotusväline
  • German: Medium
  • Hindi: माद्धयम
  • Telugu: మాధ్యమం
the material or empty space through which signals, waves or forces pass
  • Finnish: keskikoko
  • German: Medium
a format for communicating or presenting information
  • Finnish: keskikoko
  • German: Medium
  • Telugu: మధ్యస్తం
a nutrient solution for the growth of cells in vitro
  • Finnish: meedio
the means or channel by which an aim is achieved
a liquid base which carries pigment in paint
someone who supposedly conveys information from the spirit world
  • German: Medium
anything having a measurement intermediate between extremes
a person whom garments or apparel of intermediate size fit


  1. Of intermediate size.
of intermediate size
  • Finnish: keskikokoinen
  • German: mittelgroß
  • Polish: średni
  • Portuguese: médium



Derived terms


Extensive Definition

Medium may refer to:





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 physical world and what is believed to be a spiritual world.


Dramatic works


  • The Medium, an entertainment weekly at Rutgers University


See also

medium in Afrikaans: Medium
medium in German: Medium
medium in French: Médium
medium in Dutch: Medium
medium in Japanese: ミディアム
medium in Norwegian: Medium
medium in Polish: Medium
medium in Simple English: Medium
medium in Swedish: Medium
medium in Chinese: 載體

Synonyms, Antonyms and Related Words

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