noun d'A·lem·bert \ˈda-ləm-ˌber, ˌdä-läⁿ-ˈber\

Definition of d'Alembert

  1. :  a system of betting in which the player increases the stake by one unit each time a bet is lost and decreases the stake by one unit each time a bet is won —called also progressive system

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Origin and Etymology of d'alembert

after Jean LeRond d'Alembert †1783 French mathematician

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a trip made at another's expense

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