dedifferentiate

[ dee-dif-uh-ren-shee-eyt ]
/ ˌdi dɪf əˈrɛn ʃiˌeɪt /

verb (used without object), de·dif·fer·en·ti·at·ed, de·dif·fer·en·ti·at·ing. Biology.

to undergo dedifferentiation.

Origin of dedifferentiate

First recorded in 1915–20; back formation from dedifferentiation