Translation guide
The concept of accumulation in English can refer to the process of gathering, the resulting pile or collection, or a buildup over time. Japanese uses different words depending on what is accumulating and whether the focus is on the process or the result.
Expressing the gathering or piling up of physical objects, substances, or abstract things like work or stress.
A general noun meaning accumulation or amassing, often used for knowledge, wealth, data, or stress. Can be used with する to mean 'to accumulate'.
知識の蓄積が重要だ。
The accumulation of knowledge is important.
ストレスが蓄積している。
Stress is building up.
Refers to accumulation in layers, like sediment, snow, or piles. Often used in geology or for physical heaps.
雪の堆積で交通が麻痺した。
Traffic was paralyzed due to the accumulation of snow.
Emphasizes gathering together in one place, often for things like goods, data, or people. Common in compound words like 集積回路 (integrated circuit).
データの集積が進んでいる。
The accumulation of data is progressing.
Often used for cumulative effects, interest, or deficits. Implies a gradual piling up over time, often with a negative connotation.
累積赤字が問題になっている。
The accumulated deficit has become a problem.
Describing the result of accumulation: a pile, heap, or collection that has built up.
Literally 'piled up like a mountain'. Used for physical piles or metaphorically for a large backlog of work or problems.
机の上に書類が山積みになっている。
There is an accumulation of documents on the desk.
やるべき仕事が山積みだ。
I have a mountain of work to do.
A collection or accumulation, often of liquid or things that have gathered in a spot. Can be used for puddles, piles, or backlogs.
Sediment or deposit; the material that has accumulated. Technical term.
Specifically referring to the gathering of money, assets, or capital over time.
The act of accumulating wealth or saving money. Often used in personal finance contexts.
彼は蓄財に励んでいる。
He is devoted to the accumulation of wealth.
蓄積 (chikuseki) is the most general and can be used for abstract things like knowledge or stress. 堆積 (taiseki) implies layering, like sediment or snow. 集積 (shūseki) emphasizes gathering together in one place, often used in technical contexts like data or circuits.
The loanword アキュムレーション is rarely used and sounds unnatural. Stick to native Japanese words.
棚の上のほこりの蓄積が目立った。
The accumulation of dust on the shelf was noticeable.
小さなミスの蓄積が失敗につながった。
An accumulation of small errors led to the failure.
A puddle has formed (an accumulation of water).
仕事の溜まりを片付ける。
Clear the backlog of work.
河川の堆積物を調査する。
Investigate the river sediment accumulation.
Capital accumulation, an economic term.
資本蓄積が経済成長を支える。
Capital accumulation supports economic growth.