That which lies in the middle, or between other things; intervening body or quantity. Hence, specifically: (a) Middle place or degree; mean.
The mean or middle term of a syllogism; that by which the extremes are brought into connection.
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.
A trade name for printing and writing paper of certain sizes. See Paper.
The liquid vehicle with which dry colors are ground and prepared for application.
Having a middle position or degree; mean; intermediate; medial; as, a horse of medium size; a decoction of medium strength.
I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit. John Steinbeck
Opinion is the medium between knowledge and ignorance. Plato
Photography, as a powerful medium of expression and communications, offers an infinite variety of perception, interpretation and execution. Ansel Adams
Photography is more than a medium for factual communication of ideas. It is a creative art. Ansel Adams
The new freedom of expression brought by the Internet goes far beyond politics. People relate to each other in new ways, posing questions about how we should respond to people when all that we know about them is what we have learned through a medium that permits all kinds of anonymity and deception. Peter Singer