Definition of "Transposition" :
noun: (music) playing in a different key from the key intended; moving the pitch of a piece of music upwards or downwards
noun: the act of reversing the order or place of
noun: (electricity) a rearrangement of the relative positions of power lines in order to minimize the effects of mutual capacitance and inductance
"He wrote a textbook on the electrical effects of transposition."
noun: (mathematics) the transfer of a quantity from one side of an equation to the other along with a change of sign
noun: (genetics) a kind of mutation in which a chromosomal segment is transfered to a new position on the same or another chromosome
noun: an event in which one thing is substituted for another
noun: any abnormal position of the organs of the body