accumulator

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

• (US) IPA^(key): /ə.ˈkjum.jə.ˌleɪ.tɚ/

• Audio (US)

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accumulator (plural accumulators)

1. (literal) One who, or that which, accumulates.

   Synonym: collector

   He is a great accumulator of bad jokes.

2. (British) A wet-cell storage battery.

   Looks like it's time to recharge the accumulator again.

3. (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.

4. (mechanics) A system of elastic springs for relieving the strain upon a rope, as in deep-sea dredging.
5. (manufacturing) A vessel containing pressurized hot water ready for release as steam.
6. (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

7. (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.

8. (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.

9. (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.

10. (cryptography) A one way membership function.

• accumulate
• accumulation
• accumulative

• accumulator on Wikipedia.Wikipedia

• accumulateur (archaic)

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

• IPA^(key): /ˌɑ.ky.myˈlaː.tɔr/

• Audio

  (file)

• Hyphenation: ac‧cu‧mu‧la‧tor
• Rhymes: -aːtɔr

accumulator m (plural accumulatoren)

1. (dated, now chiefly historical) battery, accumulator

   Synonym: accu

• accu

• adcumulātor

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

accumulō (“to amass”) +‎ -tor

accumulātor m (genitive accumulātōris); third declension

1. one who heaps up, amasses, or hoards

Third-declension noun.

See the etymology of the corresponding lemma form.

accumulātor

1. second/third-person singular future passive imperative of accumulō

• “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.