(pl. media/-dɪə/或mediums)
1
- an agency or means of doing something媒介; 途径, 方法, 手段：
using the latest technology as a medium for job creation
把最新技术作为创造就业机会的手段
their primitive valuables acted as a medium of exchange.
他们的原始贵重物充当交换媒介。
1.1
- a means by which something is communicated or expressed（传播或表达的）手段, 方法：
here the Welsh language is the medium of instruction.
在这里, 威尔士语是教学用语。
2
- the intervening substance through which impressions are conveyed to the senses or a force acts on objects at a distance媒质, 媒介物; 传导体：
radio communication needs no physical medium between the two stations
在这两个站点间进行无线电通讯无需任何有形介质
the medium between the cylinders is a vacuum.
汽缸之间的媒质是真空。
2.1
- the substance in which an organism lives or is cultured培养基：
grow bacteria in a nutrient-rich medium.
在营养丰富的培养基中培养细菌。
3
- a liquid (e.g. oil or water) with which pigments are mixed to make paint（颜料）溶剂（如油或水）。
3.1
- the material or form used by an artist, composer, or writer（艺术创作）材料, 素材; （艺术）表现方式：
oil paint is the most popular medium for glazing.
油性涂料是上光时用得最多的材料。
4
- (pl. mediums) a person claiming to be in contact with the spirits of the dead and to communicate between the dead and the living灵媒, 巫师, 招魂者。
5
- the middle quality or state between two extremes; a reasonable balance（品质、状态）中等; 中间; 中庸：
you have to strike a happy medium between looking like royalty and looking like a housewife.
是显皇室风度还是做得像个主妇, 你必须兼顾得恰到好处。
6
- a particular form of storage material for computer files, such as magnetic tape or discs（计算机文件）存储媒介。
1
- about halfway between two extremes of size or another quality; average中等的; 中号的; 适中的：
John is six feet tall, of medium build
约翰六英尺高, 身材中等
medium-length hair.
不长不短的头发。
1.1
- Cricket (of bowling or a bowler) of a pace intermediate between fast and slow bowling【板球】（投球, 投球手）中速的。
派生词
mediumism
noun （限义项4）mediumistic
adjective （限义项4）mediumship
noun （限义项4）词源
late 16th cent. (originally denoting something intermediate in nature or degree)： from Latin, literally 'middle', neuter of medius.