- medium
- me•di•um[[t]ˈmi di əm[/t]] n. pl. -di•a [[t]-di ə[/t]], -di•ums1) a middle state or condition; mean2) something intermediate in nature or degree3) phs an intervening substance, as air, through which a force acts or an effect is produced4) the element that is the natural habitat of an organism5) surrounding objects, conditions, or influences; environment6) an intervening agency, means, or instrument by which something is conveyed or accomplished:Words are a medium of expression[/ex]7) dial. one of the means or channels of general communication, information, or entertainment in society, as newspapers or television8) the substance in which specimens are displayed or preserved9) Also called culture mediuma nutrient material for the cultivation of microorganisms, tissues, etc.10) a person through whom the spirits of the dead are alleged to be able to contact the living11) cloa) a size, as of garments, to fit the average figureb) an item in this size12) fia the material or technique with which an artist works13) about halfway between extremes in degree, quantity, position, or quality•Etymology: 1575–85; < L: n. use of neut. of medius middle. See mid I usage: See media I .
From formal English to slang. 2014.