metathesis [muh-tath-uh-sis]
noun, plural me·tath·e·ses [muh-tath-uh-seez] /məˈtæθ əˌsiz/.
1. the transposition of letters, syllables, or sounds in a word, as in the pronunciation [ kuhmf -ter-b uh l] /ˈkʌmf tər bəl/ for comfortable or [aks] /æks/ for ask.
2. Chemistry. double decomposition.
RELATED FORMS
met·a·thet·ic [met- uh- thet -ik] /ˌmɛt əˈθɛt ɪk/ , met·a·thet·i·cal , adjective
Origin: 1600–10; < Late Latin: transposition of letters of a word < Greek metáthesis transposition. See meta-, thesis
Now YOU come up with a sentence (or fic? or graphic?) that best illustrates the word.