accumulation

noun

ac·​cu·​mu·​la·​tion ə-ˌkyü-m(y)ə-ˈlā-shən 

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

Synonyms

• accretion
• assemblage
• collection
• cumulation
• cumulus
• gathering
• lodgment
• lodgement
• pileup

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

Hutchens said the house at 303 E. Rogers St. is in a state of disrepair and problems have included the accumulation of trash and rubbish, nonpayment of water bills and numerous cleanup notices. —Lynn Kutter, Arkansas Online, 6 June 2025

But political disputes about the accumulation of debt and difficulties raising the limit led credit-rating agencies to lower their grades for the federal government. —Bart Jansen, USA Today, 5 June 2025

The heaviest accumulation is expected between Thursday evening and Friday afternoon. —Barney Henderson, MSNBC Newsweek, 4 June 2025

Recent Tech Debt Is Becoming AI Debt Modern technologies like AI and cloud computing have a significant impact on the accumulation of technical debt. —Shilpa Shastri, Forbes.com, 2 June 2025

Word History

Etymology

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

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing accumulation

• point of accumulation

Rhymes for accumulation

• abbreviation
• abomination
• acceleration
• accentuation
• accommodation
• accreditation
• acculturation
• acetylation
• adjudication
• administration
• adulteration
• affiliation

Kids Definition

accumulation

noun

ac·​cu·​mu·​la·​tion ə-ˌkyü-myə-ˈlā-shən 

1

: a collecting together : amassing

2

: increase or growth by addition

3

: something accumulated : collection

Legal Definition

accumulation

noun

ac·​cu·​mu·​la·​tion

: 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.