セキガイセン
Meanings
Noun
1. infrared rays; infrared radiation
Pitch accent
キガイセン
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 data communication
infrared photography
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.