1. infrared - Noun
2. infrared - Adjective
3. infrared - Adjective Satellite
the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range
electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end
Source: WordNetAs a child, I was aware that, at night, infrared vision would reveal monsters hiding in the bedroom closet only if they were warm-blooded. But everybody knows that your average bedroom monster is reptilian and cold-blooded. Neil deGrasse Tyson
Séances lost their popularity with the invention of infrared photography when it became possible to see what mediums were doing in the dark. Nowadays, spiritualists' fakery is more ambiguous and subtle. Derren Brown
The future infrared space telescope will cover that area in a much more efficient manner. Claude Nicollier
The next innovation, Sensavision, will be like a Walkman attached to your forehead. You won't actually have your head wired because infrared wires will send signals to you. In 2007 Mick Jagger will be on stage, and when Mick feels heat, you'll feel heat. Tony Verna
The Next Generation Space Telescope, which will be located much further away from the Earth than the Hubble Space Telescope presently is, will also explore the infrared part of the spectrum. Claude Nicollier
Since there was no infrared spectrometer, I managed to record routine infrared spectra of certain compounds here and there, in order to categorize group frequencies. One of these papers became a citation classic. C. N. R. Rao