accumulation /əˌkjuːm.jəˈleɪ.ʃən/ noun7 •The act of amassing or gathering, as into a pile. •The process of growing into a heap or a large amount.an accumulation of earth, of sand, of evils, of wealth, or of honors •The continuous growth of capital by retention of interest or savings. •A mass of something piled up or collected.After such an accumulation of mistakes in the treatment of lexical items, it comes as no surprise that the section on word formation on p. 133 is equally poor. — 1989 •The action of investors buying an asset from other investors when the price of the asset is low. •The concurrence of several titles to the same proof. •(UK, historical) The practice of taking two higher degrees simultaneously, to reduce the length of study. formsaccumulations