spectrum

noun
UK /ˈspek.trəm/
US /ˈspek.trəm/

A spectrum is a range of different things, like colors in a rainbow.

The rainbow shows a spectrum of colors from red to violet.


OTHER MEANINGS

2. The band of colors that white light splits into when it passes through a prism.

A prism breaks sunlight into a spectrum on the wall.

3. The full range of something, such as opinions or abilities.

The debate covered a wide spectrum of views.

4. A range of radio or light waves used for communication or science.

The radio station broadcasts on the FM spectrum.