Definitions for medium

(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)

(a liquid with which pigment is mixed by a painter)

((biology) a substance in which specimens are preserved or displayed)

(an intervening substance through which something is achieved; "the dissolving medium is called a solvent")

(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")

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

(an occupation for which you are especially well suited; "in law he found his true metier")

(around the middle of a scale of evaluation; "an orange of average size"; "intermediate capacity"; "medium bombers")

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