Word.ws English Dictionary

Plural of cathode

regular plural

The plural of cathode is cathodes.

Forms of cathode

Singularcathode /ˈkæθ.oʊd/
Pluralcathodes
Countablecountable

Cathodes in a sentence

  • Prussian blue (PB) and its analogues are promising materials for sodium-ion battery cathodes because of their high working potentials, high theoretical capacity, and low toxicity.2021 May 28th, Cheryldine Lim Qiu Xuan, Tan Zhi-Kuang, “Prussian White with Near-Maximum Specific Capacity in Sodium-Ion Batteries” (pages…. From the entry Prussian white
  • However, previous preparations of PW require a high-temperature, high-pressure, and oxygen-free environment, and their reported performance in battery cathodes have been modest so far.2021 May 28th, Cheryldine Lim Qiu Xuan, Tan Zhi-Kuang, “Prussian White with Near-Maximum Specific Capacity in Sodium-Ion Batteries” (pages…. From the entry Prussian white
  • By the way they're braced, there are tractor beams and pressor beams and—there are vacuum tubes that have grids but apparently work with cold cathodes.1945 June, Murray Leinster, “The Ethical Equations”, in Astounding Science Fiction, volume 35, number 4, page 122. From the entry tractor beam

Meaning of cathode

  1. noun An electrode, of a cell or other electrically polarized device, through which a positive current of electricity flows outwards (and thus, electrons flow inwards). It can have either a negative or a positive voltage with respect to anode of the same polarized device (depending on whether the device is a load or a source, respectively).
  2. noun The electrode at which chemical reduction of cations takes place, usually resulting in the deposition of metal onto the electrode.
  3. noun The electrode from which electrons are emitted into a vacuum tube or gas-filled tube.

Full definition of cathode

Questions about the plural of cathode

What is the plural of cathode?
The plural of cathode is cathodes.
Is cathode countable?
Cathode is a countable noun.

Source and license

Adapted from Wiktionary: cathode (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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