Meaning of INFRARED in English

[] adj (1881) 1: situated outside the visible spectrum at its red end--used of radiation having a wavelength between about 700 nanometers and 1 millimeter

2: relating to, producing, or employing infrared radiation "~ therapy"

3: sensitive to infrared radiation "~ photographic film" -- infrared n

Merriam-Webster English vocab.      Английский словарь Merriam Webster.