accumulation
gb/əkjˌumjəlˈeɪʃən/ us/əkjˌumjəlˈeɪʃən/
B2
English
~ 9100
Senses
0 senses
Noun
B2
entity
1
an amount that has built up
A large amount of something that has slowly grown or built up over time.
Usage pattern:
an accumulation of [something]
Common mistake:
Learners sometimes say *'a big accumulation'* when *'a large accumulation'* or simply *'a lot of'* sounds more natural. They may also confuse *accumulation* with *collection*: a *collection* is often chosen and arranged (for example, a stamp collection), while an *accumulation* is simply something that has built up, often without planning.
Synonyms
build-up (More informal and often used for things like pressure, tension, or substances.)
|
pile (More concrete and visual, especially for physical objects in one place.)
Antonyms
reduction (Focuses on the amount becoming smaller instead of larger.)
|
dispersal (Focuses on things being spread out or scattered rather than gathered together.)
Collocations
an accumulation of debt
|an accumulation of snow
|a gradual accumulation
|a dangerous accumulation
|a large accumulation
|fat accumulation
Themes
daily life
|business
|science
|core_vocabulary
|daily_life
Examples
- There was an alarming accumulation of trash behind the building.
- An accumulation of dust on the shelves showed that no one had cleaned for weeks.
- The doctor warned him about the accumulation of fluid around his heart.
- The company is struggling with an accumulation of unpaid invoices.
- The heavy rain led to an accumulation of water on the roads.
Learner examples
- There is an accumulation of boxes in the hallway.
- The snow left an accumulation of ice on the cars.
- We have an accumulation of work after the holiday.
- An accumulation of fat around the stomach can be dangerous.
- The teacher found an accumulation of old papers in the cupboard.
Noun
C1
action
2
the process of building up
The slow process of more and more of something being added over time.
Usage pattern:
the accumulation of [something]
Common mistake:
Learners sometimes use *accumulation* as a verb, writing *'to accumulation money'* instead of *'to accumulate money'*. Remember that *accumulation* is a noun (the process), and *accumulate* is the verb (the action).
Synonyms
amassing (Slightly more formal; often used with money, power, or large quantities.)
|
buildup (Often written as 'build-up' or 'buildup'; common in non-technical contexts.)
Antonyms
loss (Highlights that the amount is going down rather than increasing over time.)
|
dissipation (Emphasizes something slowly spreading out or disappearing instead of increasing.)
Collocations
the accumulation of knowledge
|the accumulation of data
|the accumulation of evidence
|the accumulation of stress
|long-term accumulation
|slow accumulation
Themes
general
|science
|business
|core_vocabulary
Examples
- The accumulation of knowledge in this field has been rapid over the last decade.
- Long-term accumulation of stress can lead to serious health problems.
- The project was delayed by the gradual accumulation of small technical issues.
- Scientific progress depends on the accumulation of reliable data.
- Their success is the result of the steady accumulation of experience and skills.
Learner examples
- The accumulation of homework makes students tired.
- Good results come from the accumulation of small efforts every day.
- The accumulation of rainwater caused problems in the old house.
- Health problems can come from the accumulation of bad habits.
- The accumulation of dust happens when you do not clean.
Noun
technical
C1
action
3
growth of money or assets
The way money or property slowly grows over time through saving or investing.
Usage pattern:
the accumulation of [financial asset]
Common mistake:
Learners may use this technical sense in everyday situations where a simpler word like *saving* or *growth* is more natural. Use *accumulation* in this sense mainly for economic or financial discussions.
Synonyms
capital growth (Focuses directly on the increase in the value of capital rather than the broader process.)
|
asset build-up (Less formal; often used in personal finance contexts.)
Antonyms
capital depletion (Describes the reduction or running down of capital instead of its increase.)
|
asset erosion (Highlights the gradual loss of asset value, often due to inflation or poor performance.)
Collocations
capital accumulation
|wealth accumulation
|accumulation phase
|accumulation strategy
|asset accumulation
|accumulation fund
Themes
business
|economics
|finance
Examples
- The country's rapid capital accumulation fueled its industrial growth.
- Many retirement plans are designed to support the steady accumulation of wealth over several decades.
- Inequality is often linked to differences in long-term asset accumulation.
- Their investment strategy focuses on slow, low-risk accumulation of capital.
- Tax policy can strongly influence patterns of wealth accumulation.
Learner examples
- Capital accumulation is important for economic growth.
- They use a simple plan for wealth accumulation through monthly saving.
- The fund is in the accumulation phase while she is still working.
- Good habits of saving help with long-term asset accumulation.
- High inflation can slow the accumulation of real wealth.
Noun
technical
C2
event
4
build-up of natural material
The natural process where things like snow, ice, or sand slowly build up in one place.
Usage pattern:
the accumulation of [natural material]
Common mistake:
Learners may not realize this is often a technical, scientific use. In everyday speech, people usually just say *build-up of snow* or *a lot of snow* instead of *snow accumulation*.
Synonyms
deposition (More strictly technical; often refers to the act of material being laid down, not just the resulting build-up.)
|
build-up (Less technical; can describe the same physical increase but without scientific detail.)
Antonyms
erosion (Describes the wearing away or removal of material, the opposite of building it up.)
|
ablation (In glaciology, specifically the loss of ice and snow, opposite to glacial accumulation.)
Collocations
snow accumulation
|ice accumulation
|sediment accumulation
|glacial accumulation
|annual accumulation
|accumulation zone
Themes
science
|environment
|geography
|nature
|weather
Examples
- The researchers measured annual snow accumulation on the glacier.
- Sediment accumulation in the river delta has created new land over time.
- Ice accumulation on power lines can cause them to break.
- The accumulation zone of a glacier is where snowfall is greater than melting.
- Airports monitor ice accumulation on aircraft wings for safety reasons.
Learner examples
- Snow accumulation made the roads hard to use.
- Ice accumulation on the trees caused some branches to fall.
- Sediment accumulation slowly changed the shape of the river.
- Heavy rain can lead to mud accumulation on the road.
- Scientists study snow accumulation on mountains.
Grammar
Dictionary form
accumulation
IPA
GB/əkjˌumjəlˈeɪʃən/
US/əkjˌumjəlˈeɪʃən/
Syllables & stress
ac - cu - mu - la - tion (5 syllables)
Stress on 4th syllable (la)
Word forms
Noun
- Base: accumulation
- Plural: accumulation, accumulations
Word family
Forms
accumulations
noun
Core family
accumulate
verb B1
Related words
cumulative
adjective B2
cumulatively
adverb
Advanced or less common
accumulator
noun
accumulative
adjective
Expressions
an accumulation of
1/ən əkjˌumjəlˈeɪʃən əv/
fixed phrase
introducing something that has built up
Used before a noun to say there is a large amount of something that has slowly grown over time.
Examples
- There was an accumulation of dust on every surface.
- We found an accumulation of old emails in the archive.
- The project failed because of an accumulation of small mistakes.
capital accumulation
1/kˈæpɪtəl əkjˌumjəlˈeɪʃən/
fixed phrase
technical
growth of capital over time
The way money, machines, and other business assets grow over time in an economy or company.
Examples
- Rapid capital accumulation supported the country's industrial expansion.
- Low interest rates can encourage capital accumulation by businesses.
snow accumulation
1/snˈoʊ əkjˌumjəlˈeɪʃən/
fixed phrase
technical
amount of snow that has built up
The total amount of snow that has fallen and stayed on the ground in a place.
Examples
- Forecasters expect significant snow accumulation in the mountains tonight.
- Heavy snow accumulation caused the roof of the old building to collapse.
wealth accumulation
1/wˈɛlθ əkjˌumjəlˈeɪʃən/
fixed phrase
technical
growth of personal wealth
The process of slowly getting more money and property over time, usually through saving and investing.
Examples
- They followed a simple plan for long-term wealth accumulation.
- Education is strongly linked to successful wealth accumulation.