transposition

(noun) any abnormal position of the organs of the body. Synonyms: heterotaxy.

(noun) an event in which one thing is substituted for another. Synonyms: substitution, permutation, replacement, switch. Example: "The replacement of lost blood by a transfusion of donor blood."

(noun) (genetics) a kind of mutation in which a chromosomal segment is transfered to a new position on the same or another chromosome.

(noun) (mathematics) the transfer of a quantity from one side of an equation to the other along with a change of sign.

(noun) (electricity) a rearrangement of the relative positions of power lines in order to minimize the effects of mutual capacitance and inductance. Example: "He wrote a textbook on the electrical effects of transposition."

(noun) the act of reversing the order or place of. Synonyms: reversal.

(noun) (music) playing in a different key from the key intended; moving the pitch of a piece of music upwards or downwards.