近きん赤せき外がい線せん

noun

near infrared ray; near infrared radiation

Technical term used in physics, astronomy, and engineering. Refers to electromagnetic radiation with wavelengths just longer than visible light.

• 近きん赤せき外がい線せんはリモコンの通つう信しんに使つかわれている。

  Near infrared rays are used for remote control communication.

• このカメラは近きん赤せき外がい線せんを検けん出しゅつできる。

  This camera can detect near infrared radiation.