Main Entry: nu·cleo·some

Pronunciation: \-ˌsōm\

Function: noun

: any of the repeating globular subunits of chromatin that consist of a complex of DNA and histone and are thought to be present only during interphase

—nu·cleo·so·mal \ˌn(y)ü-klē-ə-ˈsō-məl\ adjective