spectrum

US /ˈspek.trəm/
UK /ˈspek.trəm/
"spectrum" picture
1.

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.
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The visible light spectrum ranges from red to violet.
:
rangebandseries
2.

a range of values, ideas, or activities.

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The political spectrum includes various ideologies from left to right.
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The company offers a wide spectrum of services to its clients.
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rangescopeextentspanbreadth
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broad-spectrumautism spectrum disorder