as in puncture
a mark or small hole made by a pointed instrument pinholes in a bedsheet will look like stars if you shine a light from behind it

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Example Sentences

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.
Recent Examples of pinhole Indirect eclipse viewing methods, such as a pinhole projector, also show sunspots. Jamie Carter, Space.com, 24 Mar. 2025 Viewers can also use an indirect viewing method, like a pinhole projector, in order to indirectly see the eclipse occur through shadows, but this must be done with care. Rebecca Schneid, TIME, 16 Mar. 2025 Contaminated cooling water sometimes leaks to the interior through pinholes or poor seams and introduces bacteria that cause spoilage. Justin Gest, Newsweek, 20 Jan. 2025 The devices can also be placed over card readers at ATMs, or use pinhole cameras to record customers entering their PINs, according to the FBI. Evan Moore, Charlotte Observer, 6 Jan. 2025 See All Example Sentences for pinhole

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“Pinhole.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/pinhole. Accessed 23 Apr. 2025.

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