Definition of Perrin, Jean Baptiste in English:

Perrin, Jean Baptiste

Syllabification: Per·rin, Jean Baptiste
Pronunciation: /ˈperən, peˈraN
( 1870–1942), French physical chemist. He provided the definitive proof of the existence of atoms, proved that cathode rays are negatively charged, and investigated Brownian motion. Nobel Prize for Physics (1926).

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