pinhole

noun

pin·​hole ˈpin-ˌhōl How to pronounce pinhole (audio)
: a small hole made by, for, or as if by a pin

Examples of pinhole in a Sentence

The water was leaking through a pinhole in the pipe. pinholes in a bedsheet will look like stars if you shine a light from behind it
Recent Examples on the Web But the rest of America, weather permitting, will have a chance to view a partial eclipse with proper eclipse glasses or an eclipse viewer, such as a pinhole projector or even a kitchen colander. Jenna Prestininzi, Detroit Free Press, 8 Apr. 2024 Additionally, using indirect viewing methods such as pinhole projectors or solar filters on telescopes or cameras ensures safe observation of the eclipse. The Arizona Republic, 8 Apr. 2024 The festival will feature activity stations where attendees can observe the sun through a satellite's UV cameras to see its solar storms and create their own portable eclipse models and pinhole projection cameras. John Bacon, USA TODAY, 8 Apr. 2024 Hey Ray: Making a solar eclipse pinhole viewer 02:21 Eye protection during the eclipse is important to prevent eye damage. Aliza Chasan, CBS News, 8 Apr. 2024 Special eclipse glasses or pinhole projectors are required to safely view solar eclipses and prevent eye damage. Denise Chow, NBC News, 4 Apr. 2024 Another way to monitor the eclipse’s progression is through a pinhole camera, which can be made by poking a hole in a piece of aluminum foil or paper with a safety pin, paper clip or pencil, and projecting the image of the sun onto the ground. Rong-Gong Lin Ii, Los Angeles Times, 1 Apr. 2024 For pinholes and nail holes, a gloved finger might work better than a putty knife as an application tool. Jeanne Huber, Washington Post, 8 Mar. 2024 Warby Parker has also provided a guide on how to DIY your own pinhole projector if you aren’t located near a store. Amaris Encinas, USA TODAY, 28 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'pinhole.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1612, in the meaning defined above

Time Traveler
The first known use of pinhole was in 1612

Dictionary Entries Near pinhole

Cite this Entry

“Pinhole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pinhole. Accessed 19 Apr. 2024.

Kids Definition

pinhole

noun
pin·​hole -ˌhōl How to pronounce pinhole (audio)
: a very small hole made by or as if by a pin

More from Merriam-Webster on pinhole

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