Definition of d'Alembert, Jean le Rond in English:

d'Alembert, Jean le Rond

Line breaks: Jean le Rond d'Alem|bert
Pronunciation: /ˈdaləmbɛː
 
, dalɑ̃bɛʀ/
( 1717–83), French mathematician, physicist, and philosopher. His most famous work was the Traité de dynamique (1743), in which he developed his own laws of motion. From 1746 to 1758 he was Diderot’s chief collaborator on the Encyclopédie.

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Word of the day neoteny
Pronunciation: niːˈɒt(ə)ni
noun
retention of juvenile features in the adult animal