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fourier, jean baptiste joseph

fourier, jean baptiste joseph in Science
Fourier
  (fr'ē-ā', f-ryā')   
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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