: a ring (as of synthetic rubber) used as a gasket
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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 My favorite O-ring tool is the Bass Pro Shops Floating Quick Rigger Tool.—Derek Horner, Outdoor Life, 9 May 2024 Even better, both ends have O-rings that help prevent leaks.—Isabel Garcia, Peoplemag, 8 May 2024 See all Example Sentences for O-ring
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