Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun spectrum

2 senses of spectrum

Sense 1
spectrum -- (an ordered array of the components of an emission or wave)
       => array -- (an orderly arrangement; "an array of troops in battle order")

Sense 2
spectrum -- (a broad range of related objects or values or qualities or ideas or activities)
       => scope, range, reach, orbit, compass, ambit -- (an area in which something acts or operates or has power or control: "the range of a supersonic jet"; "a piano has a greater range than the human voice"; "the ambit of municipal legislation"; "within the compass of this article"; "within the scope of an investigation"; "outside the reach of the law"; "in the political orbit of a world power")