Cathode Definition

kăthōd
cathodes
noun
cathodes
In an electron tube, the negatively charged electron emitter.
Webster's New World
In an electroplating cell, the negatively charged electrode, from which current flows.
Webster's New World
In a battery that is a source of electric current, as a dry cell or storage battery, the positive electrode which receives the electrons from the external circuit.
Webster's New World
(electronics) The electrode from which electrons are emitted into a vacuum tube or gas-filled tube.
Wiktionary
Antonyms:

Other Word Forms of Cathode

Noun

Singular:
cathode
Plural:
cathodes

Origin of Cathode

  • Greek kathodos descent kat-, kata- cata- hodos way, path

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Ancient Greek κάθοδος (kathodos, “descent, way down”).

    From Wiktionary

Cathode Sentence Examples

  • Kellner, who in 1886 patented the use of cathode (caustic soda) and anode (chlorine) liquors in the manufacture of cellulose from wood-fibre, and has since evolved many similar processes, has produced an apparatus that has been largely used.

  • The cathode consists of an iron rod which can be gradually raised.

  • When an alkaline chloride, say sodium chloride, is electrolysed with one electrode immersed in a porous cell, while caustic soda is formed at the cathode, chlorine is deposited at the anode.

  • Many electrolytic methods have been proposed for the purification of sugar; in some of them soluble anodes are used for a few minutes in weak alkaline solutions, so that the caustic alkali from the cathode reaction may precipitate chemically the hydroxide of the anode metal dissolved in the liquid, the precipitate carrying with it mechanically some of the impurities present, and thus clarifying the solution.

  • In 1826 he described the prismatically-coloured films of metal, known as Nobili's' rings, deposited electrolytically from solutions of lead and other salts when the anode is a polished iron plate and the cathode is a fine wire placed vertically above it.

More Sentences

Related Articles

Find Similar Words

Find similar words to cathode using the buttons below.

Words Starting With

CCACAT

Words Ending With

EDEODE

Unscrambles

cathode

Words Starting With C and Ending With E

Starts With C & Ends With EStarts With CA & Ends With EStarts With C & Ends With DE

Word Length

7 Letter Words7 Letter Words Starting With C7 Letter Words Ending With E