spectroscopy

spectroscopy
[spɛkˈtrɒskəpi]
noun

[mass noun]the branch of science concerned with the investigation and measurement of spectra produced when matter interacts with or emits electromagnetic radiation
光谱学，波谱学
There are several kinds of spectroscopy which differ according to the region of the electromagnetic spectrum studied (visible, infrared, X-ray, etc.) and the nature of the physical interaction (absorption, emission, scattering, etc.). All depend on the absorption or emission of energy by atoms and molecules. A number of techniques are routinely used in analytical laboratories

派生
spectroscopic
adjective
spectroscopically
adverb
spectroscopist
noun