Infrared radiation

Pronunciation: /ˌɪnfɹɝˈɛd ˌɹeɪdiˈeɪʃən/

Infrared radiation (noun)

  1. Electromagnetic waves with wavelengths longer than visible red light, often felt as heat.
  2. Infrared energy used by devices to detect temperature differences and form images.

Examples

  • Infrared radiation carries heat light waves from warm objects.
  • The sensor detects heat light waves from the surface.