proof plane

Fetched 2026-10-26 (cache).

Synonyms: roof plate

Antonyms: roof plate

Related words from Datamuse; suggestions, not definitions.

Noun

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

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.