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accumulator

Definitions of accumulator
  1. noun
    a voltaic battery that stores electric charge
    synonyms: storage battery
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    types:
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    lead-acid accumulator, lead-acid battery
    a battery with lead electrodes with dilute sulphuric acid as the electrolyte; each cell generates about 2 volts
    nicad, nickel-cadmium accumulator
    a rechargeable battery with a nickel cathode and a cadmium anode; often used in emergency systems because of its low discharge rate when not in use
    nickel-iron accumulator, nickel-iron battery
    a storage battery having a nickel oxide cathode and an iron anode with an electrolyte of potassium hydroxide; each cell gives about 1.2 volts
    automobile battery, car battery
    a lead-acid storage battery in a motor vehicle; usually a 12-volt battery of six cells; the heart of the car's electrical system
    type of:
    galvanic battery, voltaic battery
    battery consisting of a number of voltaic cells arranged in series or parallel
  2. noun
    (computer science) a register that has a built-in adder that adds an input number to the contents of the register
    synonyms: accumulator register
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    type of:
    register
    (computer science) memory device that is the part of computer memory that has a specific address and that is used to hold information of a specific kind
  3. noun
    a person who is employed to collect payments (as for rent or taxes)
    synonyms: collector, gatherer
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    examples:
    Isabella Stewart Gardner
    United States collector and patron of art who built a museum in Boston to house her collection and opened it to the public in 1903 (1840-1924)
    types:
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    conductor
    the person who collects fares on a public conveyance
    gleaner
    someone who gathers something in small pieces (e.g. information) slowly and carefully
    rent collector
    a person who goes from house to house collecting rents for the owner
    conductress
    a woman conductor
    type of:
    worker
    a person who works at a specific occupation
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