accession /ɪkˈsɛʃən/ noun plural accessions
plural accessions
Learner's definition of ACCESSION
formal
1
[noncount] : the act or process by which someone rises to a powerful and important position就职;上任;登基 —
often + to -
Queen Victoria's accession to the crown/throne occurred in 1837. [=she became queen in 1837]维多利亚女王于1837年登上王位。
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upon his accession to the Supreme Court在他进入最高法院任职之际
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the king's accession to power国王的掌权
2
[count] : something that is added to a collection at a museum(博物馆的)新增藏品,新增展品