postmitotic
/ˌpəʊs(t)mʌɪˈtɒtɪk/Cell Biol.
adjective
Occurring subsequent to mitosis; specifically (of a cell) having ceased (reversibly or irreversibly) to display cell division.
noun
A cell which is unlikely or unable to divide again.
Origin
1940s. From post- + mitotic. Compare earlier amitotic.