growth medium that allows two or more organisms to be distinguished from one another by some parameter, such as growth vs. no-growth, distinguishing colors, distinguishing morphologies, etc.

(cricket) a medium pace bowler

(cricket) describing a style of bowling, intermediate in speed between spin and pace, in which the bowler uses swing or seam to take wickets

(microbiology) A liquid or gel, containing nutrients, that is used to cultivate microorganisms.

(microbiology) A culture medium.

(physics) any material substance which can propagate waves or energy

A diffuse plasma that exists between galaxies.

That operates, moves or takes place at a normal speed.

(US) Of an egg prepared as food, fried on both sides so as the whites are cooked, and the yolks are soft, but not runny.

Having a medium or intermediate size