Definitions for "Fraunhofer lines"
The lines of the spectrum; especially and properly, the dark lines of the solar spectrum, so called because first accurately observed and interpreted by Fraunhofer, a German physicist.
the most prominent dark lines in the solar spectrum first mapped by J. Fraunhofer in 1814.
The collection of over 600 absorption lines in the spectrum of the Sun, first categorized by Joseph Fraunhofer in 1812.
The major Fraunhofer lines, and the elements they are associated with, are shown in the following table: )]]