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.
The Emperor's accession ceremony was held.
Used for assuming a high office like president, prime minister, or CEO. More general than 即位.
The new president's accession ceremony will be held next month.
Specifically for succeeding to a professional name in traditional arts (kabuki, rakugo, etc.).
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.
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.
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.
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.
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.
Please check the accession number of the document.