堆積
The act of things piling up or accumulating on top of each other over a period of time. It is often used to describe physical substances like snow, sand, or trash gathering in one place.
Exemples
3 sur 5道のわきに雪が堆積している。
Snow is piled up on the side of the road.
川の底に砂利が堆積しています。
Gravel is accumulating at the bottom of the river.
部屋にゴミが堆積してるよ。
Trash is piling up in the room.
Famille de mots
Astuce mémo
The first kanji 堆 (mound) has the 'soil' radical (土). Imagine a mound of soil and grain (積) being piled up high over time.
Quiz rapide
長年の川の流れで、下流に砂が（ ）した。
Correct !
La bonne réponse est : a
Exemples
道のわきに雪が堆積している。
everydaySnow is piled up on the side of the road.
川の底に砂利が堆積しています。
formalGravel is accumulating at the bottom of the river.
部屋にゴミが堆積してるよ。
informalTrash is piling up in the room.
火山灰の堆積が地層を形成する。
academicThe accumulation of volcanic ash forms geological layers.
古い書類が倉庫に堆積している状況です。
businessThe situation is that old documents are accumulating in the warehouse.
Famille de mots
Collocations courantes
Phrases Courantes
堆積作用
sedimentation process
堆積平野
alluvial plain (formed by sediment)
未処理の堆積
unprocessed accumulation
Souvent confondu avec
Taiseki refers to physical objects piling up, while Chikuseki refers to abstract things like knowledge, money, or stress.
Sanjaku is mostly used to describe a huge amount of tasks or problems to be solved.
Notes d'usage
Use this word when talking about physical layers or mounds forming naturally (like geology) or through neglect (like trash). It sounds more technical and formal than the simple verb 'tsumoru'.
Erreurs courantes
Learners sometimes use 'Taiseki' for abstract concepts like 'experience' or 'fatigue'; in those cases, 'Chikuseki' (蓄積) is the correct choice.
Astuce mémo
The first kanji 堆 (mound) has the 'soil' radical (土). Imagine a mound of soil and grain (積) being piled up high over time.
Origine du mot
Derived from Sino-Japanese roots: 堆 (tai) meaning 'mound/pile' and 積 (seki) meaning 'accumulate/gather'.
Modèles grammaticaux
Contexte culturel
In Japan, this word is frequently used in weather reports regarding volcanic ash or heavy snowfall in the northern regions.
Quiz rapide
長年の川の流れで、下流に砂が（ ）した。
Correct !
La bonne réponse est : a
Vocabulaire associé
Mots lis
協力
A1Cooperation or collaboration where two or more people combine their efforts to achieve a common goal. It is used in both personal and professional settings to describe working together as a team or providing assistance.
提案
A1A suggestion or proposal of a plan or idea for others to consider. It is used in both casual conversations and professional meetings to introduce a potential course of action.
輸出
A1The act of sending goods or services produced in one country to another country for sale or trade. In Japanese, it functions as a noun and a suru-verb, representing the 'exit' of products from a domestic market.
輸入
A1The act of bringing goods, services, or materials into a country from abroad for sale or use. In Japanese, it functions as a noun or can be combined with 'suru' to become a verb meaning 'to import'.
資源
A1Shigen refers to valuable materials or assets, such as natural minerals, energy sources, or human talent, that can be used for production or survival. It is widely used in economics, environmental science, and daily life to describe both raw materials and abstract wealth.
保護
A1The act of keeping someone or something safe from harm, damage, or loss by providing care or creating boundaries. It is a versatile term in Japanese used for social welfare, environmental conservation, and digital security.
観察
A1Observation is the act of watching someone or something carefully in order to gain information or understand a process. It is frequently used in scientific studies, nature analysis, and describing the act of paying close attention to details.
競争
A1Kyousou refers to the act of competing or vying with others to achieve a goal, win a prize, or establish superiority. It is a versatile term used in sports, business, and academics to describe both structured contests and general rivalry.
拡大
A1The act of making something larger in size, scale, or scope. It is frequently used for physical enlargement (like a photo) or abstract growth (like a business or a problem).
製造
A1The process of making or producing goods, typically on a large scale using machinery. It refers specifically to industrial manufacturing rather than making things by hand on a small scale.
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