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赤外線 (せきがいせん) Japanese meaning | Kotomora
Common word Freq. Frequency Top 20,000 Meanings 1
noun
infrared rays ; infrared radiation
Scientific and everyday term for electromagnetic radiation with wavelengths longer than visible light, used in heaters, remote controls, and thermal imaging.
せん
で
部屋へや
を
暖あたた
める
。
This heater warms the room using infrared rays.
Similar words 紫し 外がい 線せん Ultraviolet rays, on the opposite side of the visible spectrum from infrared.
可か 視し 光こう 線せん Visible light; the part of the spectrum between infrared and ultraviolet.
Etymology Compound of 赤外 (せきがい, 'infrared', literally 'outside red') and 線 (せん, 'ray'). The term follows the pattern of other radiation names such as 紫外線 (ultraviolet rays).
