Cathode
volume
British pronunciation/kˈæθə‍ʊd/
American pronunciation/ˈkæˌθoʊd/

Definition & Meaning of "cathode"

Cathode
01

a negatively charged electrode within an electrical device, from which electrons flow out into the external circuit

02

the positively charged terminal of a voltaic cell or storage battery that supplies current

example
Example
examples
The cathode of the battery supplies electrons to the external circuit when the device is in use.
Electrons are emitted from the cathode of the X-ray tube, producing the electron beam necessary for generating X-rays.
In a rechargeable battery, such as a lithium-ion battery, the cathode undergoes reduction during charging, allowing it to store energy for later use.
In a vacuum tube, the cathode emits electrons when heated, enabling the device to function as an amplifier or oscillator.
The copper ions in the solution were successfully reduced to form a metallic copper deposit on the cathode.
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