cathode

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noun cath·ode \ˈka-ˌthōd\

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

Full Definition of CATHODE

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

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Origin of CATHODE

Greek kathodos way down, from kata- + hodos way

First Known Use: 1834

Rhymes with CATHODE

abode, anode, bar code, boatload, busload, byroad, carload, cartload, caseload, church mode, commode, corrode, crossroad, dead load, decode, diode, displode, download, dress code, dynode, embowed, encode, epode, erode, explode, forebode, freeload, front-load, geode, high road, implode, inroad, live load, lymph node, no-load, off-load, outmode, payload, planeload, postcode, post road, railroad, rhapsode, sarod, shipload, side road, Silk Road, skid road, source code, spring-load, square-toed, tetrode, threnode, trainload, triode, truckload, unload, upload, zip code

cathode

noun cath·ode \ˈkath-ˌōd\   (Medical Dictionary)

Medical Definition of CATHODE

1

:  the electrode of an electrochemical cell at which reduction occurs: as a :  the negative terminal of an electrolytic cell b :  the positive terminal of a storage battery that is delivering current

2

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