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metallic lens

noun

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

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Nearby words

  1. metalled,
  2. metalli-,
  3. metallic,
  4. metallic bond,
  5. metallic glass,
  6. metallic luster,
  7. metallic soap,
  8. metallic wood-boring beetle,
  9. metallicize,
  10. metallide
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