Word.ws English Dictionary

proof planes

proof planes is the plural of proof plane.

Meaning of proof plane

Noun

proof plane (plural proof planes)

  1. A small conductor attached to an insulated handle used to transfer electrical charge to a measuring instrument.

Questions about proof planes

What is proof planes the plural of?
Proof planes is the plural of proof plane.

Words near proof planes in the dictionary

  1. proof of purchase
  2. proof of stake
  3. proof of technology
  4. proof of work
  5. proof plane
  6. proof planes
  7. proof positive
  8. proof reader
  9. proof readers
  10. proof sheet
  11. proof sheets

Source and license

Adapted from Wiktionary: proof planes (page history and authors); proof plane (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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Cite this entry: “proof planes.” Word.ws, https://word.ws/proof_planes. Based on Wiktionary, CC BY-SA 4.0.