infrared rays; infrared radiation
Scientific and everyday term for electromagnetic radiation with wavelengths longer than visible light, used in heaters, remote controls, and thermal imaging.
We observed nocturnal animals with an infrared camera.
このヒーターは赤外線で部屋を暖める。
This heater warms the room using infrared rays.
The human body constantly emits infrared radiation.
This sensor detects moving objects using infrared.
They irradiated the shoulder with infrared light for treatment.
infrared lamp; infrared light bulb
infrared sensor
infrared interface