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The definition of combination

8 Definitions of: combination

    1. noun, the act of combining or state of being combined
    2. noun, a union of separate parts, qualities, etc
    3. noun, an alliance of people or parties; group having a common purpose
    4. noun, a) the set of numbers that opens a combination lock b) the mechanism of this type of lock
    5. noun, a motorcycle with a sidecar attached
    6. noun, maths a) an arrangement of the numbers, terms, etc, of a set into specified groups without regard to order in the group b) a group formed in this way. The number of combinations of n objects taken r at a time is n!/[(n – r)!r!]. Symbol: nCr. Compare permutation
    7. noun, the chemical reaction of two or more compounds, usually to form one other compound
    8. noun, chess a tactical manoeuvre involving a sequence of moves and more than one piece ▷ See also combinations
    9. Show me some examples of this word: combination
    10. Show me the etymology of the word: combination
Synonyms: coalition, mixture, mix, compound, blend, composite, amalgam, amalgamation, meld, association And more...
 

From Collins

©HarperCollins 2008. Collins English Dictionary definition of combination