proof planes

A form of proof plane — A small conductor attached to an insulated handle used to transfer electrical charge to a measuring instrument.

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Meanings

noun
  1. pluralplural of proof plane
Cite this entry
APA

proof planes. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/proof%20planes

MLA

“proof planes.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/proof%20planes. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “proof planes,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/proof%20planes.

Source: proof planes on Wiktionary, CC BY-SA 4.0.