Synonyms of spectrum
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assortmentAn assortment is a group of similar things that are of different sizes or colours or have different qualities.
• an assortment of cheeses
varietychoicecollectionselectionmixturediversityarrayjumblemedleymixed bag (informal)potpourrimélangemiscellanymishmashfarragohotchpotchsalmagundipick 'n' mix
gamutThe gamut of something is the complete range of things of that kind, or a wide variety of things of that kind.
• I went through the whole gamut of emotions.
rangeA range of things is a number of different things of the same general kind.
• The two men discussed a range of issues.
Thesaurus for spectrum from the Collins English Thesaurus
The spectrum is the range of different colours which is produced when light passes through a glass prism or through a drop of water. A rainbow shows the colours in the spectrum.