cathodal

cathodic

[ka-thod-ik, -thoh-dik, kuh-]
adjective
pertaining to a cathode or phenomena in its vicinity.
Also, cathodal [kath-uh-dl] .


Origin:
1830–40; cathode + -ic

cathodically, cathodally, adverb
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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

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

cathodic
1837, from cathode (q.v.).
Online Etymology Dictionary, © 2010 Douglas Harper
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