Fraunhofer

[ froun-hoh-fer, frou-uhn-hof-er; German froun-hoh-fuhr ]

noun

1. Jo·seph von [joh, -z, uh, f von, -s, uh, f, yoh, -zef f, uh, n], 1787–1826, German optician and physicist.

Fraunhofer

/ ˈfraunhoːfər /

noun

1. FraunhoferJoseph von17871826MGermanSCIENCE: physicistMEDICINE: optician 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

Example Sentences

Two experiments with a spectroscope will help to make clear the meaning of the Fraunhofer lines.

From Project Gutenberg

These are called Fraunhofer lines, to honor the German scientist who in 1814 first accurately determined their position.

From Project Gutenberg

No part of the equatorial mounting is shown in the figure, as it resembles in every respect the usual Fraunhofer mounting.

From Project Gutenberg

Fraunhofer, however, did not execute this wish, on the ground that the mechanical difficulties were too great.

From Project Gutenberg

The four long-neglected small heliometers made by Fraunhofer were brought into requisition.

From Project Gutenberg