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.

Example sentences 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

BROWSE DICTIONARY

Learning

Fraunhofer

noun

Example sentences from the Web for fraunhofer

British Dictionary definitions for fraunhofer

noun