Definition of Lagrange, Joseph Louis in English:

Lagrange, Joseph Louis

Syllabification: La·grange, Joseph Louis
Pronunciation: /ləˈɡrānj
 
/
Comte de ( 1736–1813), French mathematician, born in Italy. He proved that every positive integer can be expressed as a sum of at most four square and worked on mechanics and its application to the description of planetary and lunar motion.

Definition of Lagrange, Joseph Louis in:

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Word of the day demoralize
Pronunciation: dɪˈmɒrəlʌɪz
verb
cause (someone) to lose confidence or hope