noun
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a small hole made with or as if with a pin
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archery the exact centre of an archery target, in the middle of the gold zone
Etymology
Origin of pinhole
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Traditional confocal microscopes use a small opening called a pinhole and a single detector to isolate light from a selected area.
From Science Daily ● Oct. 17, 2026
The researchers incorporated an array detector into their new microscope, allowing it to collect more light than a conventional system built around a pinhole and single detector.
From Science Daily ● Oct. 17, 2026
Those unable to find glasses used other methods, including colanders as pinhole projectors to cast multiple images of the eclipse.
From BBC ● Aug. 13, 2026
At Beetle Bank Farm in York, the York Astronomical Society had telescopes set up, while families made pinhole cameras and donned their solar glasses.
From BBC ● Aug. 12, 2026
The pinhole camera concealed in the locator had worked perfectly.
From "Artemis Fowl" by Eoin Colfer
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.