名詞 anode:

1. a positively charged electrode by which electrons leave an electrical device
2. the negatively charged terminal of a voltaic cell or storage battery that supplies current

1. A highly evacuated electron tube containing an anode, a cathode, and a control grid.
   三極管帶有陽極、陰極和控制柵極的高真空的電子管
2. The body or plate to which the electrons are attracted is called the anode.
   電子被吸引到其上面去的物體或薄板稱為陽極。
3. An electron tube having a cathode and an anode.
   電子二極管有一個陽極和一個陰極的電子管

an.ode

n.Abbr. a.（名詞）縮寫 a.
A positively charged electrode, as of an electrolytic cell, a storage battery, or an electron tube.
陽極，正極：電解電池、蓄電池或電子管的正電電極
The negatively charged terminal of a primary cell or of a storage battery that is supplying current.
陰極，負極：原線圈原件或正在充電的蓄電池的負電終端

來源：
Greek anodos [a way up]
希臘語 anodos [向上]
ana- [ana-]
ana- [前綴，表示.向上.，.向后.]
hodos [way]
hodos [路，路徑]