com·​bi·​na·​tor·​ics | \ˌkäm-bə-nə-ˈtȯr-iks, -ˈtär-, kəm-ˌbī-nə-, -(ˌ)bi-\

Definition of combinatorics 

: combinatorial mathematics

First Known Use of combinatorics

1941, in the meaning defined above

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Time Traveler for combinatorics

The first known use of combinatorics was in 1941

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More from Merriam-Webster on combinatorics

Britannica.com: Encyclopedia article about combinatorics

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