accretion(redirected from Accretion (atmospheric science))
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a. Growth or increase in size by gradual external addition, fusion, or inclusion.
b. Something contributing to such growth or increase: "the accretions of paint that had buried the door's details like snow" (Christopher Andreae).
2. Biology The growing together or adherence of parts that are normally separate.
a. Slow addition to land by deposition of water-borne sediment.
b. An increase of land along the shores of a body of water, as by alluvial deposit.
4. Astronomy An increase in the mass of a celestial object by its gravitational capture of surrounding interstellar material.
[Latin accrētiō, accrētiōn-, from accrētus, past participle of accrēscere, to grow; see accrue.]
ac·cre′tion·ar′y (-shə-nĕr′ē), ac·cre′tive adj.
1. any gradual increase in size, as through growth or external addition
2. something added, esp extraneously, to cause growth or an increase in size
3. (Biology) the growing together of normally separate plant or animal parts
4. (Pathology) pathol
a. abnormal union or growing together of parts; adhesion
b. a mass of foreign matter collected in a cavity
5. (Law) law an increase in the share of a beneficiary in an estate, as when a co-beneficiary fails to take his share
6. (Astronomy) astronomy the process in which matter under the influence of gravity is attracted to and increases the mass of a celestial body. The matter usually forms an accretion disc around the accreting object
7. (Geological Science) geology the process in which a continent is enlarged by the tectonic movement and deformation of the earth's crust
[C17: from Latin accretiō increase, from accrēscere. See accrue]
acˈcretive, acˈcretionary adj
1. an increase by natural growth or by gradual external addition.
2. the result of this process.
3. an added part.
4. the growing together of separate parts into a single whole.
5. Law. increase of property by gradual natural additions.
[1605–15; < Latin accrētiō=accrē-, variant s. of accrēscere to grow larger (ac- ac- + crēscere to grow) + -tiō -tion]
ac•cre′tive, ac•cre′tion•ar′y, adj.
Accretionthe coherence of particles to create a solid mass.
Examples: accretions of age, 1853; of bad humours, 1653; of earth; of ice, 1853; of particles, 1794; of snow, 1853; of water, 1853; of casual writings [the Bible], 1866.
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|Noun||1.||accretion - an increase by natural growth or addition|
backup - an accumulation caused by clogging or a stoppage; "a traffic backup on the main street"; "he discovered a backup in the toilet"
buildup - the result of the process of accumulation; "the buildup of leaves blocked the drain pipes"
|2.||accretion - something contributing to growth or increase; "he scraped away the accretions of paint"; "the central city surrounded by recent accretions"|
|3.||accretion - (astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases|
astronomy, uranology - the branch of physics that studies celestial bodies and the universe as a whole
|4.||accretion - (biology) growth by addition as by the adhesion of parts or particles|
|5.||accretion - (geology) an increase in land resulting from alluvial deposits or waterborne sediment|
geology - a science that deals with the history of the earth as recorded in rocks
|6.||accretion - (law) an increase in a beneficiary's share in an estate (as when a co-beneficiary dies or fails to meet some condition or rejects the inheritance)|
law, jurisprudence - the collection of rules imposed by authority; "civilization presupposes respect for the law"; "the great problem for jurisprudence to allow freedom while enforcing order"
accretion[əˈkriːʃən] n → accroissement m
accretion[əˈkriːʃ/ən] n (frm) (gen) (Law) → accrescimento
n. aumento, acrecentamiento; acumulación.