odd permutation

noun Mathematics.

a permutation of a set of n elements, x1, x2, …, xn, which permutes the product of all differences of the form (xi–xj), where i is less than j, into the negative of the product.

Nearby words

odd fellow, odd jobs, odd lot, odd man out, odd or even, odd permutation, odd trick, odd-even check, odd-job, odd-jobman, odd-lotter

Compare even permutation.

Origin of odd permutation

First recorded in 1925–30