medium

from WordNet (r) 3.0 (2006)
medium
    adj 1: around the middle of a scale of evaluation; "an orange of
           average size"; "intermediate capacity"; "medium bombers"
           [syn: {average}, {intermediate}, {medium}]
    2: (meat) cooked until there is just a little pink meat inside
    n 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},
       {medium}]
    5: a liquid with which pigment is mixed by a painter
    6: (biology) a substance in which specimens are preserved or
       displayed
    7: an intervening substance through which something is achieved;
       "the dissolving medium is called a solvent"
    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: {medium},
       {spiritualist}, {sensitive}]
    10: (usually plural) transmissions that are disseminated widely
        to the public [syn: {medium}, {mass medium}]
    11: an occupation for which you are especially well suited; "in
        law he found his true metier" [syn: {metier}, {medium}]
    
from The Collaborative International Dictionary of English v.0.48
Medium \Me"di*um\, n.; pl. L. {Media}, {E}. {Mediums}. [L.
   medium the middle, fr. medius middle. See {Mid}, and cf.
   {Medius}.]
   1. That which lies in the middle, or between other things;
      intervening body or quantity. Hence, specifically:
      (a) Middle place or degree; mean.
          [1913 Webster]

                The just medium . . . lies between pride and
                abjection.                        --L'Estrange.
          [1913 Webster]
      (b) (Math.) See {Mean}.
      (c) (Logic) The mean or middle term of a syllogism; that
          by which the extremes are brought into connection.
          [1913 Webster]

   2. A substance through which an effect is transmitted from
      one thing to another; as, air is the common medium of
      sound. Hence: The condition upon which any event or action
      occurs; necessary means of motion or action; that through
      or by which anything is accomplished, conveyed, or carried
      on; specifically, in animal magnetism, spiritualism, etc.,
      a person through whom the action of another being is said
      to be manifested and transmitted.
      [1913 Webster]

            Whether any other liquors, being made mediums, cause
            a diversity of sound from water, it may be tried.
                                                  --Bacon.
      [1913 Webster]

            I must bring together
            All these extremes; and must remove all mediums.
                                                  --Denham.
      [1913 Webster]

   3. An average. [R.]
      [1913 Webster]

            A medium of six years of war, and six years of
            peace.                                --Burke.
      [1913 Webster]

   4. A trade name for printing and writing paper of certain
      sizes. See {Paper}.
      [1913 Webster]

   5. (Paint.) The liquid vehicle with which dry colors are
      ground and prepared for application.
      [1913 Webster]

   6. (Microbiology) A source of nutrients in which a
      microorganism is placed to permit its growth, cause it to
      produce substances, or observe its activity under defined
      conditions; also called {culture medium} or {growth
      medium}. The medium is usually a solution of nutrients in
      water, or a similar solution solidified with gelatin or
      agar.
      [PJC]

   7. A means of transmission of news, advertising, or other
      messages from an information source to the public, also
      called a {news medium}, such as a newspaper or radio; used
      mostly in the plural form, i. e. {news media} or {media}.
      See 1st {media}[2].
      [PJC]

   {Circulating medium}, a current medium of exchange, whether
      coin, bank notes, or government notes.

   {Ethereal medium} (Physics), the ether.

   {Medium of exchange}, that which is used for effecting an
      exchange of commodities -- money or current
      representatives of money.
      [1913 Webster]
    
from The Collaborative International Dictionary of English v.0.48
Medium \Me"di*um\, a.
   Having a middle position or degree; mean; intermediate;
   medial; as, a horse of medium size; a decoction of medium
   strength.
   [1913 Webster]
    
from Moby Thesaurus II by Grady Ward, 1.0
349 Moby Thesaurus words for "medium":
      Charlie McCarthy, actor, agency, agent, air brush, ambiance,
      ambience, ambient, amidships, ancilla, appliance, approach,
      arbitrator, arc, arc light, architect, art paper, atmosphere,
      atoms, autecology, author, automatist, avenue, average, balance,
      banal, betwixt and between, bien cuit, bioecology, bionomics,
      broker, brush, camera lucida, camera obscura, canvas, center,
      central, chalk, channel, charcoal, chromogen, climate, coat,
      coat of paint, coating, color, color filter, color gelatin,
      colorant, coloring, common, compromise, connection, contact,
      contrivance, conveyance, core, course, crayon, creator, creature,
      crown, dead-color, deputy, device, dimmer, distemper, distillate,
      distillation, distributor, doer, done, doneness, drawing paper,
      drawing pencil, drier, dull, dummy, duodecimo, dupe, dye, dyestuff,
      easel, ecoclimate, ecodeme, ecology, ecosystem, ecstatic,
      eighteenmo, element, elixir, environment, equatorial, equidistant,
      essence, everyday, executant, executor, executrix, expedient,
      exterior paint, fabric, fabricator, fair, fair to middling,
      fairish, fence, fixative, flat coat, flat wash, floats, flood,
      floodlight, floor enamel, folio, footlights, foots, front,
      front man, gelatin, generality, gist, go-between, golden mean,
      ground, half measures, half-and-half measures, halfway,
      halfway measures, handmaid, handmaiden, happy medium, heart,
      imperial, implement, indifferent, insipid, instrument,
      instrumentality, instrumentation, interagent, interceder,
      intercessor, intercurrent, interior, interior paint, interjacent,
      intermediary, intermediate, intermediate agent, intermediation,
      intermediator, intermedium, internuncio, interpleader, intervener,
      intervenient, intervening, interventionist, interventor, jobber,
      juste-milieu, kernel, klieg light, lackluster, lay figure, lever,
      liaison, light plot, lights, limelight, link, long suit, maker,
      marquee, marrow, material, matter, maulstick, mean, means, meat,
      mechanism, medial, median, mediary, mediator, mediocre, mediocrity,
      mediterranean, medium-rare, mesial, mesne, method, metier, mezzo,
      mid, middle, middle course, middle ground, middle point,
      middle position, middle state, middle way, middle-of-the-road,
      middleman, middling, midland, midpoint, midships, midway, midwife,
      milieu, minion, ministry, mise-en-scene, mode, moderate,
      moderateness, moderation, modest, mouthpiece, mover, namby-pamby,
      necromancer, negotiant, negotiator, negotiatress, negotiatrix,
      neutral, neutral ground, norm, normal, nub, nuclear, octavo,
      octodecimo, of a kind, of a sort, of sorts, ombudsman,
      opaque color, operant, operative, operator, ordinary, organ,
      overcooked, overdone, oyster, paint, paintbrush, palette,
      palette knife, par, passable, pastel, pawn, pencil, performer,
      perpetrator, pigment, pigments, pith, plaything, popular,
      practitioner, prime coat, prime mover, primer, priming, producer,
      psychic, psychographist, puppet, quarto, quintessence, respectable,
      road, route, routine, royal, rule, run, run-of-mine,
      run-of-the-mill, sap, scratchboard, servant, sextodecimo,
      siccative, sixteenmo, sketchbook, sketchpad, slave, so-so, soul,
      spatula, spirit, spirit rapper, spiritist, spiritualist, spokesman,
      spokeswoman, spot, spotlight, spray gun, stain, standard, stooge,
      stuff, stump, subject, substance, sum and substance, super,
      surroundings, synecology, tangible, technique, tedious, tempera,
      thinner, tie, tinction, tincture, tolerable, tool, toy,
      transparent color, turpentine, turps, twelvemo, undercoat,
      undercoating, usual, vapid, varnish, vehicle, via media, vulgar,
      wash, wash coat, way, well-cooked, well-done, wholesaler,
      wishy-washy, worker

    

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