Definition of Fresnel, Augustin Jean in English:

Fresnel, Augustin Jean

Line breaks: Au|gus¦tin Jean Fres|nel
Pronunciation: /ˈfreɪn(ə)l
, fʀɛnɛl/
( 1788–1827), French physicist and civil engineer. He correctly postulated that light has a wave-like motion transverse to the direction of propagation, contrary to the longitudinal direction suggested by Christiaan Huygens and Thomas Young.

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Word of the day grammarian
Pronunciation: grəˈmɛːrɪən
a person who studies and writes about grammar