Word.ws English Dictionary

Faraday cup

Faraday cup noun: a conductive metal cup designed to catch charged particles in vacuum.

Noun

Faraday cup (plural Faraday cups)

  1. A conductive metal cup designed to catch charged particles in vacuum.
    • The inner cylinder of the Faraday cup is electrically connected to the brass plug, and is the electrically active part of the unit.1996, IBM Journal of Research and Development, Volume 40, International Business Machines Corporation, page 74
    • In many mass spectrometers for electric ion detection a Faraday cup is generally used today for the direct and accurate measurement of ion currents of separated ion beams, especially if relatively high ion currents are to be measured.2007, Sabine Becker, Inorganic Mass Spectrometry: Principles and Applications, Wiley, page 103

Forms of Faraday cup

pluralFaraday cups

Origin of Faraday cup

Named after English scientist Michael Faraday (1791–1867), who first theorized ions around 1830.

Questions about Faraday cup

What does Faraday cup mean?
Faraday cup means a conductive metal cup designed to catch charged particles in vacuum.
What part of speech is Faraday cup?
Faraday cup is a noun.
What is the plural of Faraday cup?
The plural of Faraday cup is Faraday cups.

Words near Faraday cup in the dictionary

  1. faraday
  2. Faraday bag
  3. Faraday bags
  4. Faraday cage
  5. Faraday cages
  6. Faraday cup
  7. Faraday cups
  8. Faraday dark space
  9. Faraday dark spaces
  10. Faraday effect
  11. Faraday effects

Source and license

Adapted from Wiktionary: Faraday cup (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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