# accession
## English
### Etymology

Ultimately from Latin accessiō(n), from accēdō (English accede). Cognate to French accession. First attested in 1646.

### Pronunciation

* (UK, US, Canada) IPA: /ækˈsɛʃ.ən/, /əˈsɛʃ.ən/
** Audio (US):(file)
* (General Australian) IPA: /ækˈseʃ.ən/, /əˈseʃ.ən/

### Noun

accession (countable and uncountable, plural accessions)
* A coming to; the act of acceding and becoming joined.
    a king's accession to a confederacy
* Increase by something added; that which is added; augmentation from without.
** 1776–1788, Edward Gibbon, chapter 1, in The History of the Decline and Fall of the Roman Empire, volume (please specify |volume=I to VI), London: […] W[illiam] Strahan; and T[homas] Cadell, […], →OCLC, page 5:The only accession which the Roman empire received, during the first century of the Christian Aera, was the province of Britain.
** 1803, John Browne Cutting, “A Succinct History of Jamaica” in Robert Charles Dallas, The History of the Maroons, London: Longman and Rees, Volume 1, p. xli,
    […] armed vessels being provided, their crews were soon recruited by accessions from the needy or adventurous, the discontented or the bold.
** Such augmentation that adds to the collections of a museum or archive; a thing thus added.
    Antonyms: deaccession, deacquisition
* (law) A mode of acquiring property, by which the owner of a corporeal substance which receives an addition by growth, or by labor, has a right to the part or thing added, or the improvement (provided the thing is not changed into a different species).
* (law) The act by which one power becomes party to engagements already in force between other powers.
* The act of coming to or reaching a throne, an office, or dignity.
    her accession to the throne
** 1943 March and April, “L.N.E.R. New Mixed-Traffic 4-6-0 Locomotive”, in Railway Magazine, page 104:This is the 6 ft. 4-6-0 engine No. 8301, Springbok, the second design produced by Mr. Edward Thompson since his accession to office as Chief Mechanical Engineer.
** 2022 September 9, Caroline Davies, “Charles to be proclaimed King at St James’s Palace on Saturday”, in The Guardian‎:Charles will be formally proclaimed King at a historic Accession Council in an ancient ceremony at St James’s Palace on Saturday, it has been announced.
* (medicine) The invasion, approach, or commencement of a disease; a fit or paroxysm.
* Agreement.
* Access; admittance.
* A group of plants of the same species collected at a single location, often held in genebanks.
* (Scotland) Complicity, concurrence or assent in some action.

#### Derived terms

* accessional
* accession country
* accessioner
* accession number
* nonaccession
* reaccession

#### Translations
### Verb

accession (third-person singular simple present accessions, present participle accessioning, simple past and past participle accessioned)
* (transitive) To make a record of (additions to a collection); to add (something) to a collection (usually a museum's or archive's collection).
    Antonym: deaccession
    Coordinate term: acquire

#### Derived terms

* unaccessioned

### See also

* ascension

### References

* ↑ https://opgc.osu.edu/node/88

### Further reading

* “accession”, in OneLook Dictionary Search.
* “accession”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
* “accession, n.”, in The Dictionary of the Scots Language, Edinburgh: Scottish Language Dictionaries, 2004–present, →OCLC.

### Anagrams

* Ascencios

## French
### Pronunciation

* Audio:(file)

### Noun

accession f (plural accessions)
* accession (to throne)
* (law) accession
    accession sociale à la propriété ― assisted home-ownership scheme

### Further reading

* “accession”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.