backing ring

noun

: a metal ring used inside a butt-welded joint to reinforce the joint and to prevent weld metal from entering the pipe at the joint

Word History

First Known Use

1937, in the meaning defined above

Time Traveler
The first known use of backing ring was in 1937

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Dictionary Entries Near backing ring

Cite this Entry

“Backing ring.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/backing%20ring. Accessed 3 Dec. 2022.

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