touch needle

noun

Definition of touch needle

: a small bar of gold either pure or alloyed with silver in a known proportion for trying the fineness of a gold or silver article by comparing the streaks made by the article and the bar on a touchstone

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Learn More About touch needle

Dictionary Entries Near touch needle

touch-me-not-ish

touch needle

touch off

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Cite this Entry

“Touch needle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/touch%20needle. Accessed 2 Aug. 2021.

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