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infrared

adjectivemasculine/femininetechnicalcommon/ĩfɾɐvɨɾˈmɐʎu/in·fra·ver·me·lho

Definition

Relating to electromagnetic radiation with a wavelength longer than that of visible red light.

“Infrared cameras allow you to see in the dark.”

“Many remote controls use infrared radiation.”

infrared radiationinfrared lightinfrared camerainfrared spectrum