˜yÐÄvlog

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View synonyms for

pinhole

[ pin-hohl ]

noun

  1. a small hole made by or as by a pin.
  2. a hole for a pin to go through; tiny aperture.


pinhole

/ ˈ±èɪ²ÔËŒ³óəʊ±ô /

noun

  1. a small hole made with or as if with a pin
  2. archery the exact centre of an archery target, in the middle of the gold zone
“Collins English Dictionary — Complete & Unabridged†2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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˜yÐÄvlog History and Origins

Origin of pinhole1

First recorded in 1670–80; pin + hole
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Example Sentences

Examples have not been reviewed.

If you don't have access to eclipse glasses, you can create a simple pinhole camera with just two sheets of cardboard or even use a colander to project the Sun's image safely onto the ground.

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People without protection can still view the eclipse indirectly through a homemade pinhole projector.

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With your back to the sun, position the foil side of the box over your shoulder, letting light stream through the pinhole.

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You can also indirectly see the eclipse by using a pinhole projection.

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“The sun will be a little bit brighter, but you shouldn’t ever look at it except during totality without either approved eclipse glasses or in the correct pinhole camera,†Christian said.

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