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).

Definition of Perrin, Jean Baptiste in:

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Word of the day retroflex
Pronunciation: ˈretrəˌfleks
turned backward