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| a chattering or flighty, light-headed person. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| combination (ˌkɒmbɪˈneɪʃən) | |
| —n | |
| 1. | the act of combining or state of being combined |
| 2. | a union of separate parts, qualities, etc |
| 3. | an alliance of people or parties; group having a common purpose |
| 4. | a. the set of numbers that opens a combination lock |
| b. the mechanism of this type of lock | |
| 5. | (Brit) a motorcycle with a sidecar attached |
| 6. | maths |
| a. 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 | |
| b. Compare permutation 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 | |
| 7. | the chemical reaction of two or more compounds, usually to form one other compound |
| 8. | chess a tactical manoeuvre involving a sequence of moves and more than one piece |
| combi'national | |
| —adj | |