Accumulator may refer to:
  • Accumulator (computing)
    Accumulator (computing)
    In a computer's central processing unit , an accumulator is a register in which intermediate arithmetic and logic results are stored. Without a register like an accumulator, it would be necessary to write the result of each calculation to main memory, perhaps only to be read right back again for...

    , in a CPU, a processor register for storing intermediate results
  • Accumulator (energy)
    Accumulator (energy)
    An accumulator is an apparatus by means of which energy can be stored, such as a rechargeable battery or a hydraulic accumulator. Such devices may be electrical, fluidic or mechanical and are sometimes used to convert a small continuous power source into a short surge of energy or vice versa...

    , an apparatus for storing energy or power
    • Capacitor
      A capacitor is a passive two-terminal electrical component used to store energy in an electric field. The forms of practical capacitors vary widely, but all contain at least two electrical conductors separated by a dielectric ; for example, one common construction consists of metal foils separated...

      , in electrical engineering, also known by the obsolete term accumulator
    • Electrochemical cell
      Electrochemical cell
      An electrochemical cell is a device capable of either deriving electrical energy from chemical reactions, or facilitating chemical reactions through the introduction of electrical energy. A common example of an electrochemical cell is a standard 1.5-volt "battery"...

      , a cell that stores electrical energy, typically used in rechargeable batteries
    • Hydraulic accumulator
      Hydraulic accumulator
      A 'hydraulic accumulator' is an energy storage device. It is a pressure storage reservoir in which a non-compressible hydraulic fluid is held under pressure by an external source. That external source can be a spring, a raised weight, or a compressed gas...

      , an energy storage device using hydraulic fluid under pressure
  • Accumulator (bet), a parlay bet
  • Accumulator (structured product)
    Accumulator (structured product)
    Accumulators are financial derivative products sold by an issuer to investors that require the issuer to sell shares of some underlying security at a predetermined strike price, settled periodically...

    , a financial contract used by clients (usually individuals) to accumulate stock positions over time
  • Accumulator 1
    Accumulator 1
    Accumulator 1 is a 1994 film directed by Jan Svěrák. The film won the Grand Prize at the 7th Yubari International Fantastic Film Festival in February 1996. Judges at the festival that year included actress Kim Novak and actor-director Mario Van Peebles....

    , a Czech film
  • Dynamic accumulator
    Dynamic accumulator
    Dynamic accumulators are plants that mine nutrients from the soil through their roots. These plants can then be used as a fertiliser, or as part of a fertiliser mix, for other plants that may be deficient in those particular nutrients...

    , a plant that mines nutrients from the soil through its roots
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