Translation guide
The English word "accession" has several distinct meanings, from formally taking a position of power to adding items to a collection. This guide covers the most common uses for English-speaking learners of Japanese.
To formally assume a position of power, especially a monarch or leader.
The standard term for accession to the throne. Used for emperors, kings, etc.
天皇の即位の礼が行われた。
The Emperor's accession ceremony was held.
Used for assuming a high office like president, prime minister, or CEO. More general than 即位.
新大統領の就任式は来月行われる。
The new president's accession ceremony will be held next month.
Specifically for succeeding to a professional name in traditional arts (kabuki, rakugo, etc.).
彼は先代の名を襲名した。
He acceded to his predecessor's name.
When a state formally joins an international agreement or body.
The standard term for joining an organization or treaty. Often used as ～に加盟する.
その国は国連に加盟した。
That country acceded to the United Nations.
Also means joining, but slightly more general. Can be used for treaties, conventions, etc.
Means 'to conclude' a treaty. Not exactly 'accession', but used in contexts of formally joining a treaty regime.
日本はその条約を締結した。
Japan acceded to the treaty.
Adding a new item to an existing collection or inventory.
Used for museums, galleries, etc., when they acquire and store items.
その絵画は美術館に収蔵された。
The painting was accessioned into the museum's collection.
General term for accepting or receiving items, often used in libraries for new acquisitions.
Means 'registration'. In library/museum contexts, it can refer to the formal recording of a new item.
The unique number assigned to an item when it is added to a collection.
Literally 'collection number'. The standard term in museums.
この壺の収蔵番号は何ですか。
What is the accession number of this vase?
Registration number, used in libraries and archives.
資料の登録番号を確認してください。
Please check the accession number of the document.
The English word "accession" covers several distinct concepts. Do not try to use a single Japanese word for all meanings. Choose based on context: 即位 for thrones, 加盟 for treaties, 収蔵 for collections.
Accession to the treaty was approved.
新着図書の受け入れ作業を行う。
We process the accession of new books.
資料をデータベースに登録する。
Accession the materials into the database.