Compare with absorption spectroscopy .A plot that shows how much radiation a substance absorbs at different wavelengths . Absorption spectra are unique for each element and compound and they are often used as chemical "fingerprints" in analytical chemistry.
ABSORPTION SPECTRUM (ABSORPTION SPECTRA)
Meaning of ABSORPTION SPECTRUM (ABSORPTION SPECTRA) in English
General chemistry English glossary. Английский глоссарий общей химии. 2012