pin·​hole | \ ˈpin-ˌhōl How to pronounce pinhole (audio) \

Definition of pinhole

: a small hole made by, for, or as if by a pin

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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 There's so many pinhole cameras out there nowadays. Michael Ruiz, Fox News, "Hero of 1986 FBI shootout on how incident reshaped law enforcement," 19 Feb. 2021 Rudimentary devices often made out of household objects like shoeboxes and aluminum foil, pinhole cameras consist of film and a light-proof box with a very small hole. Isis Davis-marks, Smithsonian Magazine, "A Cider-Can ‘Camera’ Captured Eight Years in a Single Photograph," 15 Dec. 2020 But city and state health officials have gleaned a pinhole of light in the enveloping gloom: Daily admissions to intensive care units are down. New York Times, "The Epicenter," 3 Dec. 2020 The pinhole in the front, what Samsung calls the Infinity-O hole, contains a 32-megapixel front facing camera. Jacob Krol, CNN Underscored, "Budget and performance harmonize with the $699 Galaxy S20 Fan Edition," 23 Sep. 2020 In a corkscrew of purple smoke there is a flickering light, no bigger than a pinhole. Dave Eggers, The New Yorker, "All That Could Burn," 11 Oct. 2020 Basically a metal box with a tiny pinhole at the top of it, and lights inside the box. Alex Fox, Smithsonian Magazine, "Scientists Tested Out the World’s Largest Digital Camera On a Piece of Broccoli," 10 Sep. 2020 Although the camera itself isn't completely assembled, the team was able to use a 150-micron pinhole that acted as a projector for the focal plane to take some initial pictures. Ashley Strickland, CNN, "The world's largest digital camera could unlock mysteries of the universe," 8 Sep. 2020 There’s also a 10-megapixel selfie cam housed in a pinhole on the top-left side of the main display. Jacob Krol, CNN Underscored, "Everything you need to know about the $1,999 Galaxy Z Fold 2," 1 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pinhole.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of pinhole

1612, in the meaning defined above

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Time Traveler for pinhole Time Traveler

The first known use of pinhole was in 1612

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Statistics for pinhole

Last Updated

25 Feb 2021

Cite this Entry

“Pinhole.” Dictionary, Merriam-Webster, Accessed 9 Mar. 2021.

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More Definitions for pinhole



English Language Learners Definition of pinhole

: a very small hole made by a pin or in some other way

More from Merriam-Webster on pinhole

Thesaurus: All synonyms and antonyms for pinhole

Britannica English: Translation of pinhole for Arabic Speakers

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