Reference Terms
from Wikipedia, the free encyclopedia

Spectroscopy

Spectroscopy is the study of spectra, that is, the dependence of physical quantities on frequency.

Spectroscopy is often used in physical and analytical chemistry for the identification of substances, through the spectrum emitted or absorbed.

Note:   The above text is excerpted from the Wikipedia article "Spectroscopy", which has been released under the GNU Free Documentation License.
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August 29, 2015

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updated 12:56 pm ET