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.
Compare even permutation.

Origin of odd permutation

First recorded in 1925–30

Words nearby odd permutation

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