What is the meaning of transposition?

noun

• Any abnormal position of the organs of the body.
  • synonyms: heterotaxy
• An event in which one thing is substituted for another.
  • usage: "the replacement of lost blood by a transfusion of donor blood"
  • synonyms: substitution, permutation, replacement, switch
• Genetics) a kind of mutation in which a chromosomal segment is transfered to a new position on the same or another chromosome. (
• Mathematics) the transfer of a quantity from one side of an equation to the other along with a change of sign. (
• Electricity) a rearrangement of the relative positions of power lines in order to minimize the effects of mutual capacitance and inductance. (
  • usage: "he wrote a textbook on the electrical effects of transposition"
• The act of reversing the order or place of.
  • synonyms: reversal
• Music) playing in a different key from the key intended; moving the pitch of a piece of music upwards or downwards. (.