Medium

Medium is a term with several related meanings across disciplines. Etymologically from Latin medium, meaning the middle, it denotes an intermediary state, value, or form.

Common uses include: a size between small and large (as in clothing), or a degree of doneness in cooking described as medium.

In science, a medium is a substance through which energy or matter moves, such as air or water for waves; in biology, a culture medium provides nutrients for growing organisms.

In communications, a medium (plural: media) is a channel for conveying information, whether print, broadcast, digital, or social. In the arts, a medium is the material or method used to create a work, such as oil paint or sculpture, and a psychic medium is someone who claims to communicate with spirits.

Medium is also the name of an online publishing platform launched in 2012 by Evan Williams and others, which hosts user-generated articles and stories on a range of topics.