Fraunhofer

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

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

Save This Word!

noun

Jo·seph von

[joh-zuhf von, -suhf; German yoh-zef fuhn], /ˈdʒoʊ zəf vɒn, -səf; German ˈyoʊ zɛf fən/, 1787–1826, German optician and physicist.

QUIZ

WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?

Smoothly step over to these common grammar mistakes that trip many people up. Good luck!

Question 1 of 7

Fill in the blank: I can’t figure out _____ gave me this gift.

who

whom

TAKE THE QUIZ TO FIND OUT

Words nearby Fraunhofer

fraudulent, Frauenfeld, fraughan, fraught, Fräulein, Fraunhofer, Fraunhofer lines, Fravashi, frawzey, fraxinella, fray

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use Fraunhofer in a sentence

Two experiments with a spectroscope will help to make clear the meaning of the Fraunhofer lines.
Physics|Willis Eugene Tower
These are called Fraunhofer lines, to honor the German scientist who in 1814 first accurately determined their position.
Physics|Willis Eugene Tower
No part of the equatorial mounting is shown in the figure, as it resembles in every respect the usual Fraunhofer mounting.
Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2|Various
Fraunhofer, however, did not execute this wish, on the ground that the mechanical difficulties were too great.
Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2|Various

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

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