Definitions

1. noun

a set of values or quantities that are distributed over a range of values, especially the range of frequencies or wavelengths of light or other forms of electromagnetic radiation

“The astronomer studied the spectra of distant stars to determine their composition.”

2. noun

a range or distribution of values or quantities

“The researcher analyzed the spectra of exam scores to identify trends.”

3. verb

to distribute or scatter something, especially light or electromagnetic radiation, in a particular way

“The prism spectrums the light from the lamp into its component colors.”