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Definitions of infrared
  1. noun
    electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
  2. noun
    the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range
    "they could sense radiation in the infrared"

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  3. adjective
    having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end
    "infrared radiation" "infrared photography"

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Explanation of infrared
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