Definition of Fresnel, Augustin Jean in English:

Fresnel, Augustin Jean

Syllabification: Fres·nel, Augustin Jean
Pronunciation: /frāˈnel
( 1788–1827), French physicist and civil engineer. He correctly postulated that light moves in a wavelike motion transverse to the direction of propagation.

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Word of the day oleaginous
Pronunciation: ˌōlēˈajənəs
rich in, covered with, or producing oil; oily