infrared
🇺🇸
/ˌɪnfrəˈred/
🇬🇧
/ˌɪnfrəˈred/
relating to light waves that are longer than red light and cannot be seen by human eyes
The camera uses infrared light to see in the dark.
이 카메라는 어둠 속에서 보기 위해 적외선을 사용합니다.