معنى الكلمة infrared بالعربية

الأشعة تحت الحمراء

the infrared region of the spectrum; infrared radiation.

الأشعة تحت الحمراء

(of electromagnetic radiation) having a wavelength just greater than that of the red end of the visible light spectrum but less than that of microwaves. Infrared radiation has a wavelength from about 800 nm to 1 mm, and is emitted particularly by heated objects.