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accumulator

noun
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ac·​cu·​mu·​la·​tor | \ ə-ˈkyü-m(y)ə-ˌlā-tər How to pronounce accumulator (audio) \
plural accumulators

Definition of accumulator

: one that accumulates: such as
a : a device (as in a hydraulic system) in which a fluid is collected and especially in which it is kept under pressure as a means of storing energy
b British : storage battery
c : a part (as in a computer) where numbers are totaled or stored
d chiefly British : a betting arrangement in which winnings garnered from one bet are immediately used to finance a subsequent bet : parlay

Examples of accumulator in a Sentence

Recent Examples on the Web The start/stop accumulator endcap may have missing or loose bolts. — USA TODAY, "Car recalls for October 29-Nov. 5," 5 Nov. 2020 The start/stop accumulator endcap may have missing or loose bolts. — USA TODAY, "Car recalls for October 29-Nov. 5," 5 Nov. 2020 The start/stop accumulator endcap may have missing or loose bolts. — USA TODAY, "Car recalls for October 29-Nov. 5," 5 Nov. 2020 The start/stop accumulator endcap may have missing or loose bolts. — USA TODAY, "Car recalls for October 29-Nov. 5," 5 Nov. 2020 Dealers will inspect the start/stop transmission accumulator—the part that is potentially missing bolts—and replace it if any bolts are missing. — Colin Beresford, Car and Driver, "GM Recalls 194,105 Cars, SUVs for Potential Transmission Oil Leak," 10 Nov. 2020 The start/stop accumulator endcap may have missing or loose bolts. — USA TODAY, "Car recalls for October 29-Nov. 5," 5 Nov. 2020 The start/stop accumulator endcap may have missing or loose bolts. — USA TODAY, "Car recalls for October 29-Nov. 5," 5 Nov. 2020 The start/stop accumulator endcap may have missing or loose bolts. — USA TODAY, "Car recalls for September 17-24," 24 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'accumulator.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of accumulator

circa 1611, in the meaning defined above

History and Etymology for accumulator

accumulate + -or entry 1

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Time Traveler for accumulator

Time Traveler

The first known use of accumulator was circa 1611

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Statistics for accumulator

Last Updated

17 Jan 2021

Cite this Entry

“Accumulator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/accumulator. Accessed 24 Jan. 2021.

More from Merriam-Webster on accumulator

Nglish: Translation of accumulator for Spanish Speakers

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