accumulator

/əˌkjuməˈleɪdər/

Other forms: accumulators

Definitions of accumulator

1. noun

   a voltaic battery that stores electric charge
   synonyms: storage battery

   types:

   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

   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

   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:

   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