英语释义
1. the electrode of an electrochemical cell at which reduction occurs:
2. the negative terminal of an electrolytic cell
3. the positive terminal of a galvanic cell
4. the electron-emitting electrode of an electron tube broadly the negative electrode of a diode — compare anode
5. the part of an electrical device (such as a battery) where electrons enter
6. the electrode of an electrochemical cell at which reduction occurs: as
7. the positive terminal of a storage battery that is delivering current
8. the electron-emitting electrode of an electron tube — compare anode