spect
rum
Plural
spectra
1
the range of different wavelengths or frequencies of light or radiation
- The scientist studied the spectrum of visible light emitted by the star.
- Each color in the rainbow represents a different part of the spectrum.
- Ultraviolet light is part of the spectrum that is invisible to the human eye.
- The full spectrum includes gamma rays, X-rays, and radio waves.
- They used a prism to separate white light into its spectrum.
2
a broad range of related objects or values or qualities or ideas or activities