Dictionary
com•bi•na•tion
Pronunciation: (kom"bu-nā'shun), [key]—
n.
1. the act of combining or the state of being combined.
2. a number of things combined:
a combination of ideas.
3. something formed by combining:
A chord is a combination of notes.
4. an alliance of persons or parties:
a combination in restraint of trade.
5. the set or series of numbers or letters used in setting the mechanism of a combination lock.
6. the parts of the mechanism operated by this.
7. Often,
combinations. a suit of underwear in one piece.
8. Math.
a. the arrangement of elements into various groups without regard to their order in the group.
b. a group thus formed. Cf.
permutation (def. 1).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.