[trans.po.si.tion] n [ML transposition-, transpositio, fr. L transponere to transpose] (1538) 1: an act, process, or instance of transposing or being transposed
2. a: the transfer of any term of an equation from one side over to the other side with a corresponding change of the sign b: a mathematical permutation or interchange of two letters or symbols -- trans.po.si.tion.al adj