Alembert[ălˌəm-bârˈ, ä-läɴ-bĕrˈ], Jean Le Rond d' 1717-1783.
Alembert definition by Webster's New World
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Alembert definition by American Heritage Dictionary
, Jean Le Rond d' 1717-1783.
French mathematician and philosopher who wrote the influential Treatise of Dynamics (1743). He also contributed to Diderot's Encyclopédie.