metathesis
Pronunciation:
/mə.ˈtæ.θə.sɪs//mə.ˈtæ.θə.sɪs/noun
Definitions
The transposition of letters, syllables or sounds within a word, such as in ask as /æks/.
The double decomposition of inorganic salts.
The breaking and reforming of double bonds in olefins in which substituent groups are swapped.