#1 accumulation n. [accretion] an increase by natural growth or addition. wn
#2 accumulation n. [collection, aggregation, assemblage] several things grouped together or considered as a whole. wn
#3 accumulation n. [accrual, accruement] the act of accumulating. wn
#4 accumulation n. (finance) profits that are not paid out as dividends but are added to the capital base of the corporation. wn
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