cathode

名词 cathode:

1. a negatively charged electrode that is the source of electrons entering an electrical device
2. the positively charged terminal of a voltaic cell or storage battery that supplies current

1. A microwave tube in which electrons generated from a heated cathode are affected by magnetic and electric fields in such a way as to produce microwave radiation used in radar and in microwave ovens.
   磁控管一种微波管，它里面的发热阴极发出的电子受到磁场和电场的影响，从而产生能用于雷达和微波炉微波辐射
2. An electron tube having a cathode and an anode.
   电子二极管有一个阳极和一个阴极的电子管
3. A display device that uses a cathode ray tube.
   一种使用阴极射线管的显示装置。
4. In cathode ray tube display, the continuation of light emission from phosphor after excitation by the electron beam.
   在阴极射线管显示器中，用电子束激励后荧光物质光发射的持续现象。

cath.ode

n.Abbr. cath.,ka（名词）缩写 cath.,ka
A negatively charged electrode, as of an electrolytic cell, a storage battery, or an electron tube.
阴极：负电极，如电池、蓄电池或电子管的负极
The positively charged terminal of a primary cell or a storage battery that is supplying current.
还原极：正在输出电流的原电池或蓄电池的阴极

来源：
Greek kathodos [descent]
希腊语 kathodos [下降]
kat-, kata- [cata-]
kat-, kata- [前缀，表.向下，相反.]
hodos [way, path]
hodos [道路，小路]

【引伸】
cathod.ic
cathod.ically
adv.（副词）