transposition, heterotaxy -- (any abnormal position of the organs of the body)
substitution, permutation, transposition, replacement, switch -- (an event in which one thing is substituted for another; "the replacement of lost blood by a transfusion of donor blood")
transposition -- ((genetics) a kind of mutation in which a chromosomal segment is transfered to a new position on the same or another chromosome)
transposition -- ((mathematics) the transfer of a quantity from one side of an equation to the other along with a change of sign)
transposition -- ((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")
transposition, reversal -- (the act of reversing the order or place of)
transposition -- ((music) playing in a different key from the key intended; moving the pitch of a piece of music upwards or downwards)