# accumulator
## English
### Etymology

From Latin accumulātor, agent noun of accumulō (“pile up”), accumulate +‎ -or.

### Pronunciation

* (US) IPA: /əˈkjum.jəˌleɪ.tɚ/
* Audio (US):(file)

### Noun

accumulator (plural accumulators)
* (literal) One who, or that which, accumulates.
    Synonym: collector
    He is a great accumulator of bad jokes.
* (British) A wet-cell storage battery.
    Looks like it's time to recharge the accumulator again.
* (gambling) A collective bet on successive events, with both stake and winnings being carried forward to accumulate progressively.
    Synonym: parlay
** 2000, Guinness World Records, Guinness Book of Records 2000, Demco Media, →ISBN:The largest payout for a bet on a horse race was $1,627,084 after tax, paid to Britons Anthony Speelman and Nicholas Cowan on their $64 nine-horse accumulator at Santa Anita Racecourse, California, in 1987.
* (mechanics) A system of elastic springs for relieving the strain upon a rope, as in deep-sea dredging.
* (manufacturing) A vessel containing pressurized hot water ready for release as steam.
* (engineering, hydraulics) A container which stores hydraulic power for release, in the form of a pressurized fluid (often suspended within a larger tank of fluid under pressure).
    Synonym: shock absorber
* (programming) A register or variable used for holding the intermediate results of a computation or data transfer.
** 1986, Jules H. Gilder, Apple IIc and IIe Assembly Language, Springer Science & Business Media, →ISBN, page 139:The contents of the memory location and accumulator are NOT altered, but the Negative, Zero and Carry flags are conditioned according to the result of the subtraction.
** 2011, Oliver Sturm, Functional Programming in C#, John Wiley & Sons, →ISBN, page 122:The function signature has changed to include the additional parameter accumulator. This parameter, in a way, takes on the job of the return value.
* (finance) A derivative contract under which the seller commits to sell shares of an underlying security at a certain strike price, which the buyer is obligated to buy.
    Synonym: share forward accumulator
** 2014, Jerome Yen, Kin Keung Lai, Emerging Financial Derivatives, Routledge, →ISBN:This product was fairly popular among investors in Hong Kong in 2007 considering the market conditions at that time. It is an accumulator of the underlying stock with a contract period of 12 months.
* (UK, education, historical) One who takes two higher degrees simultaneously, to reduce their length of study.
** 1691–92, Anthony Wood (antiquary), Athenæ Oxonienses
    The first of these two was a compounder, the other who was an accumulator, was lately made provost of Trin. coll. near Dublin, and on the 31st of March 1692 was nominated bish. of Kilmore.
* (cryptography) A one way membership function.

#### Derived terms

* bioaccumulator
* hyperaccumulator
* orgone accumulator
* steam accumulator

#### Related terms

* accumulate
* accumulation
* accumulative

#### Translations

    The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

### Further reading

* accumulator on Wikipedia.Wikipedia

## Dutch
### Alternative forms

* accumulateur (archaic)

### Etymology

Borrowed from French accumulateur, from Latin accumulātor. The spelling and pronunciation was subsequently adapted to Latin or English accumulator.

### Pronunciation

* IPA: /ˌɑ.ky.myˈlaː.tɔr/
* Audio:(file)
* Hyphenation: ac‧cu‧mu‧la‧tor
* Rhymes: -aːtɔr

### Noun

accumulator m (plural accumulatoren)
* (dated, now chiefly historical) battery, accumulator
    Synonym: accu

#### Derived terms

* accu

## Latin
### Alternative forms

* adcumulātor

### Pronunciation

* (Classical Latin) IPA: /ak.ku.muˈlaː.tor/, [äkːʊmʊˈɫ̪äːt̪ɔr]
* (modern Italianate Ecclesiastical) IPA: /ak.ku.muˈla.tor/, [äkːumuˈläːt̪or]

### Etymology 1

accumulō (“to amass”) +‎ -tor

#### Noun

accumulātor m (genitive accumulātōris); third declension
* one who heaps up, amasses, or hoards

##### Declension

Third-declension noun.

### Etymology 2

See the etymology of the corresponding lemma form.

#### Verb

accumulātor
* second/third-person singular future passive imperative of accumulō

### References

* “accumulator”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
* “accumulator”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
* accumulator in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.