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赤せき外がい線せん
Meanings
Noun
1. infrared rays; infrared radiation
Kanji used
赤
red
外
outside
線
line
Pitch accent
せ
きがいせん
Top 28900
Used in: 338
Composed of
infrared
line; stripe; line (e.g. telephone line); wire; ray (e.g. X-ray); beam; line (e.g. of a railroad)
Used in vocabulary (6 in total)
infrared data communication
infrared sensor
infrared photography
infrared interface
infrared therapy
infrared lamp
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.