O-ring

noun
\ ˈō-ˌriŋ How to pronounce O-ring (audio) \

Definition of O-ring

: a ring (as of synthetic rubber) used as a gasket

First Known Use of O-ring

1946, in the meaning defined above

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The first known use of O-ring was in 1946

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Cite this Entry

“O-ring.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/O-ring. Accessed 28 Oct. 2020.

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