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cathodic

[ka-thod-ik, -thoh-dik, kuh-]
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adjective
  1. pertaining to a cathode or phenomena in its vicinity.
Also cath·o·dal [kath-uh-dl] /ˈkæθ ə dl/.

Origin of cathodic

First recorded in 1830–40; cathode + -ic
Related formsca·thod·i·cal·ly, cath·o·dal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018