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   infrared

   /ˌɪnfrəˈrɛd/

   adjective

   • 1. (of electromagnetic radiation) having a wavelength just greater than that of the red end of the visible light spectrum but less than that of microwaves. Infrared radiation has a wavelength from about 800 nm to 1 mm, and is emitted particularly by heated objects.
   • ▪ (of equipment or techniques) using or concerned with infrared radiation: "infrared cameras"

   noun

   • 1. the infrared region of the spectrum; infrared radiation.

   Scrabble Points: 12

   • I

     1

   • N

     1

   • F

     4

   • R

     1

   • A

     1

   • R

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   • E

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   • D

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