赤外線
Meanings
1
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.
This heater warms the room using infrared rays.
Usage patterns
- 〈物〉が赤外線を発するfor an object to emit infrared radiation
The human body constantly emits infrared radiation.
- 赤外線で〈物〉を検知するto detect something using infrared
This sensor detects moving objects using infrared.
- 赤外線を照射するto irradiate something with infrared light
They irradiated the shoulder with infrared light for treatment.