Definition of Perrin, Jean Baptiste in English:

Perrin, Jean Baptiste

Line breaks: Jean Bap|tiste Per¦rin
Pronunciation: /pɛˈrã
 
, pɛʀɛ̃/
( 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 demoralize
Pronunciation: dɪˈmɒrəlʌɪz
verb
cause (someone) to lose confidence or hope