from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Impenetrable by light: film stored in lightproof containers.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Sealed so that no light can enter.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. not penetrable by light
Pinhole cameras (also called camera obscura) are simple devices, essentially a lightproof box with a single small hole.
Here's a short article on how to make a simple "snoot" -- a lightproof tube that tightly directs the light from your camera flash.
You go into a soundproof and lightproof chamber about the size of a shower stall and float in water that's so full of salts that it's almost thick and you float like a cork.
Eli sez, This Czech designed pinhole camera is made from carefully cut out and constructed paper (needs to be stiff and lightproof).
Involves getting into a warm pool and sticking your head in a lightproof bubble.
The bulk film meant we had to buy a bulk loader and a lightproof bag to load the film into the bulk film back.
In these foods the shelf life is increased by using an airtight and lightproof container.
In some products, particularly wine and beers, there may be chemical changes caused by sunlight and the packaging in this case should also be lightproof.
These products are also susceptible to rancidity and the package should be lightproof and airtight.
When packaged for the humid tropics they require a moisture barrier and because of their often high fat content, they should also be protected from rancidity by a lightproof and airtight package.
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