Main Entry: de·dif·fer·en·ti·a·tion

Pronunciation: \(ˌ)dē-ˌdi-fə-ˌren-chē-ˈā-shən\

Function: noun

Date: 1915

: reversion of specialized structures (as cells) to a more generalized or primitive condition often as a preliminary to major physiological or structural change

— de·dif·fer·en·ti·ate \-ˈren-chē-ˌāt\ intransitive verb