Medium

• n.
  • a means or instrumentality for storing or communicating information
  • the surrounding environment

    "fish require an aqueous medium"

  • an intervening substance through which signals can travel as a means for communication
  • (bacteriology) a nutrient substance (solid or liquid) that is used to cultivate micro-organisms

    同义词： culture medium

  • an intervening substance through which something is achieved

    "the dissolving medium is called a solvent"

  • a liquid with which pigment is mixed by a painter
  • (biology) a substance in which specimens are preserved or displayed
  • a state that is intermediate between extremes; a middle position

    "a happy medium"

  • someone who serves as an intermediary between the living and the dead

    "he consulted several mediums"

    同义词： spiritualist sensitive

  • (usually plural) transmissions that are disseminated widely to the public

    同义词： mass medium

  • an occupation for which you are especially well suited

    同义词： metier

• adj.
  • around the middle of a scale of evaluation of physical measures

    "medium bombers"

    同义词： average intermediate

  • (meat) cooked until there is just a little pink meat inside

以上来源于: WordNet