noun, noun which may take the genitive case particle 'no'
visible ray; visible light
Technical term in physics and optics; often used in contrast with infrared or ultraviolet rays.
Visible light is electromagnetic radiation with wavelengths roughly between 400 and 700 nanometers.
このカメラは可視光線だけでなく赤外線も感知できる。
This camera can detect not only visible light but also infrared rays.