cathode

play
noun cath·ode \ˈka-ˌthōd\

Definition of cathode

  1. 1 :  the electrode of an electrochemical cell at which reduction occurs:a :  the negative terminal of an electrolytic cellb :  the positive terminal of a galvanic cell

  2. 2 :  the electron-emitting electrode of an electron tube; broadly :  the negative electrode of a diode — compare anode

cathodal

play \ˈka-ˌthō-dəl\ adjective

cathodally

adverb

cathodic

play \ka-ˈthä-dik, -ˈthō-\ adjective

cathodically

play \-di-k(ə-)lē\ adverb

Recent Examples of cathode from the Web

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Origin and Etymology of cathode

Greek kathodos way down, from kata- + hodos way


CATHODE Defined for English Language Learners

cathode

play
noun

Definition of cathode for English Language Learners

  • : the part of an electrical device (such as a battery) where electrons enter


Medical Dictionary

cathode

play
noun cath·ode \ˈkath-ˌōd\

Medical Definition of cathode

  1. 1:  the electrode of an electrochemical cell at which reduction occurs: asa:  the negative terminal of an electrolytic cellb:  the positive terminal of a storage battery that is delivering current

  2. 2:  the electron-emitting electrode of an electron tube—compare anode


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