ac·cu·mu·la·tion /əˌkjum(j)əˈleʃən/
 積聚,累積,積聚物


 accumulation
 累積 累計


 Ac·cu·mu·la·tion n.
 1. The act of accumulating, the state of being accumulated, or that which is accumulated; as, an accumulation of earth, of sand, of evils, of wealth, of honors.
 2. Law The concurrence of several titles to the same proof.
 Accumulation of energy or power, the storing of energy by means of weights lifted or masses put in motion; electricity stored.
 An accumulation of degrees Eng. Univ., the taking of several together, or at smaller intervals than usual or than is allowed by the rules.

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