Meaning & use
Pinholes
Last updated
Tiny holes, each about the size made by a pin, often occurring as small defects or used deliberately to let in a narrow beam of light.
See it in a sentence
Inspectors found several pinholes in the tank's coating that were causing slow leaks.
Light passing through the pinholes in the box projected a faint image of the eclipse.
A note on using this word
The term appears in both quality-control contexts (as a manufacturing defect) and optics, as in the simple 'pinhole camera'.
Words with a similar meaning
perforationspunctures
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