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

Keep scrolling for more

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 only other change from United’s regular back eight players was Will Moimbe-Tahrat at left back in place of Chase Gasper, who served a one-game suspension for yellow card accumulation. Andy Greder, Twin Cities, "Darwin Quintero stars in Minnesota United’s 3-1 win over Salt Lake," 15 Sep. 2019 Mikey Lopez was unavailable with yellow card accumulation, while Zach Herivaux and Razak Cromwell were out after getting red cards in last week’s victory over Bethlehem Steel. Cheryl Wray, al, "Birmingham Legion FC earns road draw, keeps unbeaten streak alive," 28 Aug. 2019 Midfielder Uri Rosell will not be available for Saturday’s game against New England due to yellow card accumulation after earning a card in the 90th minute of the Lions’ match against LAFC. Julia Poe, Pro Soccer USA, "International players return to Orlando City, offering boost ahead of New England match," 14 Aug. 2019 FC Cincinnati absences: Leonardo Bertone (suspended; yellow card accumulation), Frankie Amaya (groin), Fanendo Adi (calf), Fatai Alashe (hamstring), Greg Garza (calf), Kekuta Manneh (shoulder) and Spencer Richey (back), Kekuta Manneh. Pat Brennan,, "FC Cincinnati, Columbus Crew SC end first MLS "Hell is Real" derby in 2-2 draw," 10 Aug. 2019 Instead, a mounting accumulation of agricultural bad practices (monoculture crops led to bad bee diets, and a huge rise in pesticide use has ruined their health long-term) tilted the axis of the environment towards destruction. Josephine Livingstone, The New Republic, "Honeyland Is a Stinging Allegory for Man-Made Disaster," 9 Aug. 2019 While the Rapids continued to rest just about everyone except for Kellyn Acosta who is currently suspended in MLS-play for yellow card accumulation and Cole Bassett, who played just the first half. Jake Shapiro, The Denver Post, "Five takeaways from the Rapids marquee matchup against Arsenal," 16 July 2019 With a peak accumulation of over 60 inches of rain, Hurricane Harvey produced the most rain on record for a tropical storm or any other weather event in the U.S. Fox News, "Here are the deadliest and costliest hurricanes to hit the US mainland," 1 July 2019 Corporate debt presents another challenge: just as a $150bn accumulation of bad debts in the banking system peaked and began to decline last year, the debts of other sorts of finance firms ballooned dangerously. The Economist, "What will Narendra Modi do in his new term as India’s prime minister?," 14 June 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.

See More

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

Keep scrolling for more

Learn More about accumulation

Statistics for accumulation

Last Updated

4 Oct 2019

Look-up Popularity

Time Traveler for accumulation

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

See more words from the same century

Keep scrolling for more

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.

Keep scrolling for more

Comments on accumulation

What made you want to look up accumulation? Please tell us where you read or heard it (including the quote, if possible).


a bell tower

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
True or False

Test your knowledge - and maybe learn something along the way.


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!