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Showing results for metallic lens. Search instead for Metallic element.

metallic lens

British  

noun

  1. an arrangement of louvres used to direct and focus electromagnetic or sound waves

"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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A tricky metallic "lens" concentrates them into a narrow beam, sharper than the shaft of a searchlight, which points at the first relay station atop Jackie Jones Mountain, 35 miles away.

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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