Spectrum
/spˈɛktrəm/
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Definition
(noun) A range; a continuous, infinite, one-dimensional set, possibly bounded by extremes.
Sentence Examples
You can see the colors of the spectrum in a rainbow.
There are many ideological similarities between parties at the extreme ends of the political spectrum.
CEFR Practice Quiz
The colors of the rainbow represent the visible ____ of light that human eyes are able to see.