combination
the act of combining or the state of being combined.
a number of things combined: a combination of ideas.
something formed by combining: A chord is a combination of notes.
an alliance of persons or parties: a combination in restraint of trade.
the set or series of numbers or letters used in setting the mechanism of a combination lock.
the parts of the mechanism operated by this.
Often combinations. a suit of underwear in one piece.
Mathematics.
the arrangement of elements into various groups without regard to their order in the group.
a group thus formed.: Compare permutation (def. 1).
Origin of combination
1Other words for combination
Other words from combination
- com·bi·na·tion·al, adjective
- in·ter·com·bi·na·tion, noun
- non·com·bi·na·tion, noun
- pre·com·bi·na·tion, noun
- su·per·com·bi·na·tion, noun
- un·com·bi·na·tion·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use combination in a sentence
The other combinational tone to which we refer is that produced by the interval of a major third.
The Recent Revolution in Organ Building | George Laing MillerThe importance of these combinational tones in the theory of hearing is obvious.
British Dictionary definitions for combination
/ (ˌkɒmbɪˈneɪʃən) /
the act of combining or state of being combined
a union of separate parts, qualities, etc
an alliance of people or parties; group having a common purpose
the set of numbers that opens a combination lock
the mechanism of this type of lock
British a motorcycle with a sidecar attached
maths
an arrangement of the numbers, terms, etc, of a set into specified groups without regard to order in the group: the combinations of a, b, and c, taken two at a time, are ab, bc, ac
a group formed in this way. The number of combinations of n objects taken r at a time is n !/[(n – r)! r !]. Symbol: n C r: Compare permutation (def. 1)
the chemical reaction of two or more compounds, usually to form one other compound
chess a tactical manoeuvre involving a sequence of moves and more than one piece
- See also combinations
Derived forms of combination
- combinational, adjective
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
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