proof plane

noun

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

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Meanings

nounproof plane (plural proof planes)

plural proof planes

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

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

MLA

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

Chicago

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

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