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Thesaurus: infrared

having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end

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  1. adj. having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end
  2. n. the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range
  3. n. electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
  4. j:98/n:2 n. the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range n. electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves s. having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end