可か視し光こう線せん

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.

• 可か視し光こう線せんは波は長ちょうが約やく400～700ナノメートルの電でん磁じ波はです。

  Visible light is electromagnetic radiation with wavelengths roughly between 400 and 700 nanometers.

• このカメラは可か視し光こう線せんだけでなく赤せき外がい線せんも感かん知ちできる。

  This camera can detect not only visible light but also infrared rays.