medium

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

A state that is intermediate between extremes; a middle position.

“a happy medium”

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

The surrounding environment.

“fish require an aqueous medium”

(bacteriology) a nutrient substance (solid or liquid) that is used to cultivate micro-organisms.

An occupation for which you are especially well suited.

Someone who serves as an intermediary between the living and the dead.

“he consulted several mediums”

A liquid with which pigment is mixed by a painter.

A means or instrumentality for storing or communicating information.

An intervening substance through which signals can travel as a means for communication.

An intervening substance through which something is achieved.

“the dissolving medium is called a solvent”

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

Around the middle of a scale of evaluation.

“medium bombers”