spectrum Meaning in Cambridge American English Dictionary
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Meaning of "spectrum" - American English Dictionary

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spectrumnoun [C]

 us   /ˈspek·trəm/

spectrum noun [C] (RANGE)

a range of objects, ideas, or opinions: There’s agreement across the political spectrum. A wide spectrum of opinion was represented at the meeting.

spectrum noun [C] (COLORS)

(plural spectra  /ˈspek·trə/ or spectrums) physics the set of colors into which a beam of light can be separated (plural spectra  /ˈspek·trə/ or spectrums) physics Spectrum also means a range of waves such as light waves or radio waves.
(Definition of spectrum from the Cambridge Academic Content Dictionary © Cambridge University Press)
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