accumulator

• POS: Noun
• HYPHEN: ac=cu=mu=la=tor

CIDE DICTIONARY

accumulator, n. [L.].

•  One who, or that which, accumulates, collects, or amasses.  [1913 Webster]
•  An apparatus by means of which energy or power can be stored, such as the cylinder or tank for storing water for hydraulic elevators, the secondary or storage battery used for accumulating the energy of electrical charges, etc.  [1913 Webster]
•  A system of elastic springs for relieving the strain upon a rope, as in deep-sea dredging.  [1913 Webster]

OXFORD DICTIONARY

accumulator, n.
1 Brit. a rechargeable electric cell.
2 a bet placed on a sequence of events, the winnings and stake from each being placed on the next.
3 a register in a computer used to contain the results of an operation.
4 a person who accumulates things.