cathodical

World English Dictionary
cathode (ˈkæθəʊd)
 
n
1.  the negative electrode in an electrolytic cell; the electrode by which electrons enter a device from an external circuit
2.  the negatively charged electron source in an electronic valve
3.  the positive terminal of a primary cell
 
[C19: from Greek kathodos a descent, from kata- down + hodos way]
 
cathodal
 
adj
 
cathodic
 
adj
 
ca'thodical
 
adj

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