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

Examples of O-ring in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Step 4: Thread your hook between the O-ring and stick bait. Derek Horner, Outdoor Life, 27 Feb. 2025 Image Image Investigators determined that the accident was caused by the failure of a rubber seal, known as an O-ring, on one of two booster rockets, which were attached to the shuttle like a jetpack to propel it skyward. Trip Gabriel, New York Times, 21 Feb. 2025 Among them was the way NASA had calculated the O-rings’ shape. Quanta Magazine, 20 Sep. 2024 In January 2018, Lochridge sent Rush a quality-control inspection report detailing 27 issues with the vehicle, from questionable O-ring seals on the domes and missing bolts to flammable materials and more concerns about its carbon-fiber hull. Mark Harris, WIRED, 11 June 2024 See All Example Sentences for O-ring

Word History

First Known Use

1946, in the meaning defined above

Time Traveler
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 4 Mar. 2025.

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