You searched for: “cathodes
cathode (s) (noun), cathodes (pl)
1. The path by which an electric current leaves the electrolyte and passes into the negative pole.
2. The point or surface in contact with the negative pole; in electro-metallurgy the object to be electro-plated.
3. A negatively charged electrode, as of an electrolytic cell, a storage battery, or an electron tube.
4. The positively charged terminal of a primary cell or a storage battery that is supplying current.
5. Etymology: from Greek kathodos, "descent" (kat-, kata-, cata-) + hodos, "way, path".
This entry is located in the following units: cata-, cat-, cath-, kata- (page 6) hodo-, hod-, od- (page 1)
Word Entries at Get Words: “cathodes
cathode (s), cathodes (pl)
The negative terminals of electric current systems; such as, in vacum tubes, the filaments are used as the cathodes or the sources of electrons which are discharged.