The infrared region of the electromagnetic spectrum;
Electromagnetic wave frequencies below the visible range (synset 105063962)"they could sense radiation in the infrared"part meronym: infrared spectrum - the spectrum of infrared radiationsynonym: infrared frequency
Electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves (synset 111489881)
hypernym: actinic radiation, actinic ray - electromagnetic radiation that can produce photochemical reactions
Having or employing wavelengths longer than light but shorter than radio waves;
Lying outside the visible spectrum at its red end (synset 302528056)"infrared radiation"; "infrared photography"
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