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burning glass |
Also found in: Wikipedia | 0.04 sec. |
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burning glass a convex lens for concentrating the sun's rays into a small area to produce heat or fire burning glass [′bər·niŋ ‚glas] (optics) A converging lens used to produce intense heat by converging the rays of the sun on a small area. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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