WD-40

    Definition : Water Displacement, 40th formula
    Category : Business ยป Patents & Trademarks
    Country/Region : Worldwide Worldwide
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    What does WD-40 mean?

    WD-40 WD-40 is the trademark name of a water-displacing spray made by the WD-40 Company. The company is headquartered in San Diego, California, United States. WD-40 was developed in 1953 by Norm Larsen, founder of the WD-40 Company, originally known as the Rocket Chemical Company. While Norm Larsen was attempting to create a formula to prevent corrosion in missiles by displacing the standing water that causes it, he arrived at a successful formula on his 40th attempt. And he called it WD-40, which literally stands for Water Displacement-40th formula.

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    FullForms. "WD-40." Accessed April 1, 2026. https://fullforms.com/WD-40.

    Harvard Style

    FullForms (2026) 'WD-40', FullForms.com. Available at: https://fullforms.com/WD-40 (Accessed: 01 April 2026).

    MLA Style

    "WD-40." FullForms.com, 2026, https://fullforms.com/WD-40. Accessed 01 Apr. 2026.

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