1. (n.) The act of changing the sequence or order; interchanging\.

2. (n.) The bringing of any term of an equation from one side over to the other without destroying the equation.

3. (n.) A change of the natural order of words in a sentence; as, the Latin and Greek languages admit transposition, without inconvenience, to a much greater extent than the English.

4. (n.) A change of a composition into another key.

alternation avatar battledore and shuttlecock catabolism catalysis communication commutation conduction consubstantiation contagion convection cooperation counterchange cross fire delivery deportation diapedesis diffusion displacement dissemination ectropion eversion exchange export exportation expulsion extradition give-and-take heterotopia import importation interchange intermutation interplay introversion intussusception invagination inversion lex talionis measure for measure metabolism metagenesis metamorphism metamorphosis metastasis metathesis metempsychosis migration mutant mutated form mutation mutual admiration mutual support mutual transfer mutuality osmosis passage passing over perfusion permutation pronation quid pro quo reciprocality reciprocation reciprocity reincarnation resupination retaliation retroflexion retroversion reversal reversing reversion revulsion something for something sport spread spreading supination tit for tat topsy-turviness topsy-turvydom transanimation transduction transfer transfer of property transference transfiguration transfigurement transformation transformism transfusion transit transition translation translocation transmigration transmigration of souls transmission transmittal transmittance transmogrification transmutation transplacement transplantation transposal transubstantiation travel turning back turning backwards turning inside out turning inward turning over