| the offspring of a zebra and a donkey. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
permutation (ˌpɜːmjʊˈteɪʃən) ![]() | |
| —n | |
| 1. | maths |
| a. an ordered arrangement of the numbers, terms, etc, of a set into specified groups: the permutations of a, b, and c, taken two at a time, are ab, ba, ac, ca, bc, cb | |
| b. Compare combination nPr a group formed in this way. The number of permutations of n objects taken r at a time is n!/(n--r)! | |
| 2. | a combination of items made by reordering |
| 3. | an alteration; transformation |
| 4. | Usually shortened to: perm a fixed combination for selections of results on football pools |
| [C14: from Latin permūtātiō, from permūtāre to change thoroughly; see | |
| permu'tational | |
| —adj | |
permutation (ˌpɜːmjʊˈteɪʃən) ![]() | |
| —n | |
| 1. | maths |
| a. an ordered arrangement of the numbers, terms, etc, of a set into specified groups: the permutations of a, b, and c, taken two at a time, are ab, ba, ac, ca, bc, cb | |
| b. Compare combination nPr a group formed in this way. The number of permutations of n objects taken r at a time is n!/(n--r)! | |
| 2. | a combination of items made by reordering |
| 3. | an alteration; transformation |
| 4. | Usually shortened to: perm a fixed combination for selections of results on football pools |
| [C14: from Latin permūtātiō, from permūtāre to change thoroughly; see | |
| permu'tational | |
| —adj | |