American Dictionary

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Definition accession in American English

accession noun

noun
/əkˈseʃ(ə)n/
1

the occasion on which someone formally takes a position of authority, especially as a king, queen, or president

Synonyms and related words
Example

China's accession to the World Trade Organization

Synonyms and related words
3

something that is added to a collection, especially a work of art

Example

Recent accessions are in the north wing.

Synonyms and related words
Definition accession in American English