this medium definition
3. : the materials or methods used by an artist. Her preferred medium is sculpture. The artist works in two media/mediums, pencil and watercolor. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples. 4. : the thing by which or through which something is done. Money is a medium [= means ] of exchange. English is an important medium of international communication. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples. 2. plural usually media: a particular form or system of communication (such as newspapers, radio, or television). â see also media. an effective advertising medium = an effective medium for advertising. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples.