Collocations for spectrum - noun

visible
Beyond the red end of the visible light spectrum is infrared.

continuous
a continuous spectrum of light waves

colour, electromagnetic

analysis

the colours of the spectrum
Other species can perceive colours of the spectrum that are invisible to us.

the … band/end/part of the spectrum
the ultraviolet part of the spectrum

complete, full
The courses cover the full spectrum of levels.

broad, wide | narrow | entire, whole | political, social

cover

across the ~
There was consensus across the political spectrum.

~ of
a wide spectrum of interests

at one/the other end of the spectrum, both/opposite ends of the spectrum
The two speakers were chosen to represent opposite ends of the spectrum.

a spectrum of opinion
The newspaper covers a broad spectrum of opinion.