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
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
10. transmissions that are disseminated widely to the public
11. an occupation for which you are especially well suited;
in law he found his true metier
12.around the middle of a scale of evaluation of physical measures;
an orange of average size
13.(of meat) cooked until there is just a little pink meat inside