having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end; "infrared radiation"; "infrared photography" 日/英 »
the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range; "they could sense radiation in the infrared" 電磁スペクトルの赤外線の部分。可視範囲より低い電磁波周波数。
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【上位】 the number of occurrences within a given time period; "the frequency of modulation was 40 cycles per second"; "the frequency of his seizures increased as he grew older" 所定の時間内に発生する回数。
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electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves 可視光線より長く、電波より短い波長の電磁放射。
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【上位】 electromagnetic radiation that can produce photochemical reactions 光化学反応を起こす電磁放射。
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