spectrum analysis

noun

1. the determination of the constitution or condition of bodies and substances by means of the spectra they produce.
2. the ascertaining of the number and character of the constituents combining to produce a sound spectrogram.

spectrum analysis

noun

1. the analysis of a spectrum to determine the properties of its source, such as the analysis of the emission spectrum of a substance to determine the electron distribution in its molecules

Word History and Origins

Origin of spectrum analysis¹

First recorded in 1865–70