the branch of mathematics that deals with permutations and combinations, especially used in statistics and probability.
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- combination therapy,
- combination tone,
- combinatorial topology,
- combine harvester
Origin of combinatorial analysis
First recorded in 1810–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the branch of mathematics concerned with the theory of enumeration, or combinations and permutations, in order to solve problems about the possibility of constructing arrangements of objects which satisfy specified conditionsAlso called: combinatorics (ˌkɒmbɪnəˈtɔːrɪks)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012