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

Definition of d'Alembert 

: 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

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for d'Alembert

after Jean LeRond d'Alembert †1783 French mathematician

Keep scrolling for more

Learn More about d'Alembert

Share d'Alembert

Statistics for d'Alembert

Look-up Popularity

Comments on d'Alembert

What made you want to look up d'Alembert? Please tell us where you read or heard it (including the quote, if possible).


amusing and light sparring with words

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!