[ foor-ee-ey, -ee-er; for 1, 2 also French foo-ryey ]
/ ˈfʊər iˌeɪ, -i ər; for 1, 2 also French fuˈryeɪ /
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Fran·çois Ma·rie Charles [frahn-swama-reesharl], /frɑ̃ˈswa maˈri ʃarl/, 1772–1837, French socialist, writer, and reformer.
Jean Bap·tiste Jo·seph [zhahnba-teestzhaw-zef], /ʒɑ̃ baˈtist ʒɔˈzɛf/, 1768–1830, French mathematician and physicist.
a crater in the third quadrant of the face of the moon: about 36 miles (58 km) in diameter.
"Is" it time for a new quiz? "Are" you ready? Then prove your excellent skills on using "is" vs. "are."
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How to use Fourier in a sentence

British Dictionary definitions for Fourier

/ (ˈfʊərɪˌeɪ, French furje) /

(François Marie) Charles (ʃarl). 1772–1837, French social reformer: propounded a system of cooperatives known as Fourierism, esp in his work Le Nouveau monde industriel (1829–30)
Jean Baptiste Joseph (ʒɑ̃ batist ʒozɛf). 1768–1830, French mathematician, Egyptologist, and administrator, noted particularly for his research on the theory of heat and the method of analysis named after him
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

Scientific definitions for Fourier

[ furē-ā′, fōō-ryā ]
Baron Jean Baptiste Joseph 1768-1830

French mathematician and physicist who introduced the expansion of periodic functions in the trigonometric series that is now named for him. He also studied the conduction of heat in solid bodies.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.