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
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.
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 Nine screws hold the bottom panel in place with a pinhole button to perform a hard reset in case you get hung up. PCMAG, 27 Nov. 2024 Instead, slide on those eclipse glasses or fashion a pinhole projector to safely view the event. Kirsten Fiscus, The Tennessean, 8 Apr. 2024 Check it out here: If a store runs out of glasses, the company will provide a free eclipse pinhole projector. Eric Lagatta, USA TODAY, 1 Apr. 2024 See All Example Sentences for pinhole

Word History

First Known Use

1612, in the meaning defined above

Time Traveler
The first known use of pinhole was in 1612

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Cite this Entry

“Pinhole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pinhole. Accessed 3 Mar. 2025.

Kids Definition

pinhole

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