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せきがいせん
Meanings
Noun
1. infrared rays; infrared radiation
Alt. forms
赤せき外がい線せん
99%
せきがいせん
Pitch accent
せ
きがいせん
Used in: 3
Composed of
infrared
① 細長く連続するもの。すじ。② 幾何学で、点と点を結ぶ経路。③ 輪郭線。④ 導線。電線。電話線。⑤ 光線。放射線。⑥ 道路。鉄道やバスなどの路線。⑦ 方針。道筋。
Used in vocabulary (6 in total)
infrared sensor
infrared data communication
infrared photography
infrared interface
infrared lamp
infrared therapy
Examples (2 in total)
Our eyes can't see infrared light.
Infrared and ultra-violet rays are types of light invisible to the human eye.