Fraunhofer

[ froun-hoh-fer, frou-uh n-hof-er; German froun-hoh-fuh r ]

/ ˈfraʊnˌhoʊ fər, ˈfraʊ ənˌhɒf ər; German ˈfraʊnˌhoʊ fər /

noun

Jo·seph von

[joh-zuh f von, -suh f; German yoh-zef fuh n] /ˈdʒoʊ zəf vɒn, -səf; German ˈyoʊ zɛf fən/, 1787–1826, German optician and physicist.

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Examples from the Web for fraunhofer

Two experiments with a spectroscope will help to make clear the meaning of the Fraunhofer lines.
Physics|Willis Eugene Tower
Its light is of course that of the sun reflected, and its spectrum is consequently a faint echo of the Fraunhofer spectrum.
A Popular History of Astronomy During the Nineteenth Century|Agnes M. (Agnes Mary) Clerke
The lower-case letters designating certain Fraunhofer lines: a, b, g, h.
The Uses of Italic|Frederick W. Hamilton
It accordingly forms part of the large sum of Fraunhofer's merits to have secured this inestimable advantage to observers.
A Popular History of Astronomy During the Nineteenth Century|Agnes M. (Agnes Mary) Clerke

The four long-neglected small heliometers made by Fraunhofer were brought into requisition.
Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2|Various

British Dictionary definitions for fraunhofer

Fraunhofer

/ (German ˈfraunhoːfər) /

noun

Joseph von (ˈjoːzɛf fɔn). 1787–1826, German physicist and optician, who investigated spectra of the sun, planets, and fixed stars, and improved telescopes and other optical instruments

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