ac·​cu·​mu·​la·​tion | \ ə-ˌkyü-m(y)ə-ˈlā-shən How to pronounce accumulation (audio) \

Definition of accumulation

1 : something that has accumulated or has been accumulated an impressive accumulation of knowledge
2 : the action or process of accumulating something : the state of being or having accumulated the steady accumulation of snow
3 : increase or growth by addition especially when continuous or repeated accumulation of interest

Examples of accumulation in a Sentence

a vast accumulation of evidence about the dangers of smoking the accumulation of leaves on the ground is proceeding at a much faster rate than my raking
Recent Examples on the Web The covers flit by in a fraction of a second, in part suggesting, through the accumulation of images, the prolific afterlives of the band’s founding members. Kevin Dettmar, The New Yorker, 3 Nov. 2021 This will only happen when health care providers, regulators and technology companies recognize the importance of getting the underlying platform right rather than adding to an accumulation of point solutions. Adam Connors For Cnn Business Perspectives, CNN, 3 Nov. 2021 Agricultural lands and bordering forests are not only damaged by huge flocks of feeding birds, but also by the accumulation of droppings, some up to twelve inches deep. John Schandelmeier, Anchorage Daily News, 30 Oct. 2021 Diego Chara was suspended for Wednesday’s game due to an accumulation of yellow cards, which forced Savarese to insert George Fochive into the lineup. oregonlive, 20 Oct. 2021 The report notes these offenses often lead to an accumulation of prior convictions, leading to tougher sentences, which affects people of color disproportionately. Elliot Hughes, Milwaukee Journal Sentinel, 18 Oct. 2021 Such large companies are looking to build asset value by companies’ accumulation of IP. John Hopewell, Variety, 15 Sep. 2021 Progressives grouse about accumulation of wealth, and then want policies that dissuade risk. David Harsanyi, National Review, 14 Sep. 2021 With an accumulation of dead, diseased and dry vegetation and invasive tree growth, the likelihood of more fires is a real threat to homes near the San Diego River. San Diego Union-Tribune, 15 Aug. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'accumulation.' 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 accumulation

15th century, in the meaning defined at sense 1

History and Etymology for accumulation

borrowed from Middle French & Latin; Middle French accumulacion, borrowed from Latin accumulātiōn-, accumulātiō, from accumulāre "to accumulate" + -tiōn-, -tiō, suffix of action nouns

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Time Traveler for accumulation

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The first known use of accumulation was in the 15th century

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Dictionary Entries Near accumulation

accumulated temperature


accumulation factor

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Statistics for accumulation

Last Updated

23 Nov 2021

Cite this Entry

“Accumulation.” Dictionary, Merriam-Webster, Accessed 2 Dec. 2021.

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More Definitions for accumulation


ac·​cu·​mu·​la·​tion | \ ə-ˌkyü-myə-ˈlā-shən How to pronounce accumulation (audio) \

Kids Definition of accumulation

1 : an act of collecting or gathering the accumulation of snow
2 : collection sense 2 an accumulation of junk



Legal Definition of accumulation

: increase or growth by addition especially when continuous or repeated specifically : an increase in the amount of a fund or property by the continuous addition to it of the income or interest it generates to treat a stock dividend as principal when local law classifies it as income may be deemed an accumulation — W. M. McGovern, Jr. et al. — see also accumulation trust at trust

Note: Because they prevent the enjoyment and benefit of wealth, accumulations are deemed contrary to public policy. A provision in a will for an accumulation will be invalidated if found to be unreasonable by the court.

More from Merriam-Webster on accumulation

Nglish: Translation of accumulation for Spanish Speakers

Britannica English: Translation of accumulation for Arabic Speakers


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