Main Entry:

cath·ode

Pronunciation:

\ˈka-ˌthōd\

Function:

noun

Etymology:

Greek kathodos way down, from kata- + hodos way

Date:

1834

1: the electrode of an electrochemical cell at which reduction occurs: a: the negative terminal of an electrolytic cell b: the positive terminal of a galvanic cell 2: the electron-emitting electrode of an electron tube ; broadly : the negative electrode of a diode — compare anode

— cath·od·al \ˈka-ˌthō-d^əl\ adjective

— cath·od·al·ly adverb

— ca·thod·ic \ka-ˈthä-dik, -ˈthō-\ adjective

— ca·thod·i·cal·ly \-di-k(ə-)lē\ adverb