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lightproof

American  
[lahyt-proof] / ˈlaɪtˌpruf /

adjective

  1. impervious to light.

    a lightproof film cartridge.


Etymology

Origin of lightproof

First recorded in 1920–25; light 1 + -proof


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Under infrared light, LaBossiere moved the rolls of film into lightproof drums.

From Seattle Times ● Dec. 17, 2023

But UnReal is darker than a locked box inside a lightproof cube sitting on the bottom of the ocean at midnight.

From Slate ● Jun. 29, 2015

That’s pretty amazing, considering that the space was never designed to be lightproof.

From Washington Post ● Jan. 30, 2015

The researchers collected the benthic organisms by suctioning them gently into a lightproof box with a vacuum hose.

From Science Magazine ● Sep. 7, 2012

This is my padded cell, soundproof, lightproof, telephoneproof; a wholesome reminder of the basic, the primeval things.

From The Brain by Alexander Blade

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