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英英字典: infrared




Overview of noun infrared

The noun infrared has 2 senses


  • infrared, infrared frequency -- (the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range; "they could sense radiation in the infrared")

  • infrared, infrared light, infrared radiation, infrared emission -- (electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves)


Overview of adj infrared

The adj infrared has 1 sense


  • infrared -- (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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