touch-needle

noun

A small bar of gold and silver, either pure, or alloyed in some known proportion with copper, for testing the purity of gold or silver articles by comparison of the streaks made by the article and the bar on a touchstone.

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Meanings

nountouch-needle (plural touch-needles)

plural touch-needles

  1. A small bar of gold and silver, either pure, or alloyed in some known proportion with copper, for testing the purity of gold or silver articles by comparison of the streaks made by the article and the bar on a touchstone.
Cite this entry
APA

touch-needle. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/touch-needle

MLA

“touch-needle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/touch-needle. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “touch-needle,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/touch-needle.

Source: touch-needle on Wiktionary, CC BY-SA 4.0.