spectrum
US /ˈspek.trəm/
UK /ˈspek.trəm/
1.
スペクトル
a band of colors, as seen in a rainbow, produced by separation of the components of light by their different degrees of refraction according to wavelength.
:
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The prism separated the white light into a beautiful spectrum of colors.
プリズムは白色光を美しい色のスペクトルに分離した。
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The visible light spectrum ranges from red to violet.
可視光スペクトルは赤から紫まで及ぶ。