proving ring

noun

: an elastic-shell ring used to calibrate testing machines by means of change in diameter undergone upon application of force along the diameter

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Dictionary Entries Near proving ring

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proving ring

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“Proving ring.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/proving%20ring. Accessed 27 Mar. 2023.

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