1 accumulation | Definition of accumulation

accumulation

noun
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

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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

Across the remainder of the Lower Mississippi Valley, total rain accumulations of four to 8 inches are expected, with isolated maximum amounts of 12 inches. Jordan Culver, USA TODAY, "More than 160,000 without power in Louisiana as Tropical Storm Barry weakens; flooding still a concern," 14 July 2019 Expect showers to begin by late morning on Saturday and continue into the evening as temperatures hover in the 50s, though little accumulation is expected. Jeremy C. Fox, BostonGlobe.com, "Some sun to end work week, but a rainy weekend looms," 18 May 2018 But with only light showers, no significant accumulation is expected. OregonLive.com, "Portland metro Friday weather: Dry and mild weather continues; clouds increase tonight," 20 Apr. 2018 The heaviest accumulation was expected to be along and north of Interstate 90, with a dusting of snow and spotty slick spots farther south along and north of interstates 88 and 290. Chicago Tribune, chicagotribune.com, "Spring snow showers slow morning commute," 16 Apr. 2018 The forecasted accumulation of ice from the freezing rain, sleet and snow are expected to create hazardous driving conditions, especially on bridges and elevated roadways. Mayra Cruz, Houston Chronicle, "Schools, courts and some roads closed in northwest Harris County for Wednesday," 16 Jan. 2018 Third, the country has been consistently intervening in the foreign exchange market to keep its currency weak, with an accumulation of foreign exchange reserves of at least 2% of GDP over the preceding six to 12 months. Jeffrey Sachs For Cnn Business Perspectives, CNN, "China isn't the economic manipulator in this trade war. Trump is," 6 Aug. 2019 About four inches above the main bone layer, in what was thought to be fossil-free rock that could be chipped away, there lay an accumulation of tiny bones. Riley Black, Smithsonian, "Discovery of Raptor-Like Dinosaur Adds a New Wrinkle to the Origin of Birds," 11 July 2019 Once-promising treatments that targeted the removal of amyloid plaques, an accumulation of debris on brain tissue that is a key sign of Alzheimer’s, have consumed billions of dollars in vain. Washington Post, The Denver Post, "Colorado Alzheimer’s researchers shift focus after failures; begin testing leukemia medicine as treatment," 6 July 2019

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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More Definitions for accumulation

accumulation

noun
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

accumulation

noun
ac·​cu·​mu·​la·​tion

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.