Fraunhofer

[ froun-hoh-fer, frou-uh n-hof-er; German froun-hoh-fuhr ]
/ ˈfraʊnˌhoʊ fər, ˈfraʊ ənˌhɒf ər; German ˈfraʊnˌhoʊ fər /
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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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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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012