Definition of Fresnel, Augustin Jean in English:

Fresnel, Augustin Jean

proper noun

  • (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.

Pronunciation

Fresnel, Augustin Jean

/ˈfreɪn(ə)l//fʀɛnɛl/