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。