Main Entry: ac·cu·mu·la·tion

Pronunciation: \ə-ˌkyü-m(y)ə-ˈlā-shən\

Function: noun

Date: 15th century

1 : something that has accumulated or has been accumulated
2 : the action or process of accumulating : the state of being or having accumulated
3 : increase or growth by addition especially when continuous or repeated <accumulation of interest>