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accretion disk
accroides gum
accroides resin
accrual basis

Accretion definitions

Webster's 1828 Dictionary

ACCRE'TION, n. [Lat. accretio, increase; accres'co, to increase, literally, to grow to; ad and cresco; Eng. accrue; See Increase, Accrue, Grow.]
1. A growing to; an increase by natural growth; applied to the increase of organic bodies by the accession of parts.
Plants have an accretion, but no alimentation.
2. In the civil law, the adhering of property to something else, by which the owner of one thing becomes possessed of a right to another; as, when a legacy is left to two persons, and one of them dies before the testator, the legacy devolves to the survivor by right of accretion.

WordNet (r) 3.0 (2005)

1: an increase by natural growth or addition [syn: accretion, accumulation]
2: something contributing to growth or increase; "he scraped away the accretions of paint"; "the central city surrounded by recent accretions"
3: (astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
4: (biology) growth by addition as by the adhesion of parts or particles
5: (geology) an increase in land resulting from alluvial deposits or waterborne sediment
6: (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)

Merriam Webster's

noun Etymology: Latin accretion-, accretio, from accrescere more at accrue Date: 1615 1. the process of growth or enlargement by a gradual buildup: as a. increase by external addition or accumulation (as by adhesion of external parts or particles) b. the increase of land by the action of natural forces 2. a product of accretion; especially an extraneous addition <accretions of grime> accretionary adjective accretive adjective

NOAA Weather Glossary

Growth of precipitation particles by collision of ice crystals with supercooled liquid droplets which freeze on impact.

Oxford Reference Dictionary

n. 1 growth by organic enlargement. 2 a the growing of separate things into one. b the product of such growing. 3 a extraneous matter added to anything. b the adhesion of this. 4 Law a = ACCESSION. b the increase of a legacy etc. by the share of a failing co-legatee. Derivatives: accretive adj. Etymology: L accretio (as ACCRETE)

Webster's 1913 Dictionary

Accretion Ac*cre"tion, n. [L. accretio, fr. accrescere to increase. Cf. Crescent, Increase, Accrue.] 1. The act of increasing by natural growth; esp. the increase of organic bodies by the internal accession of parts; organic growth. --Arbuthnot. 2. The act of increasing, or the matter added, by an accession of parts externally; an extraneous addition; as, an accretion of earth. A mineral . . . augments not by grown, but by accretion. --Owen. To strip off all the subordinate parts of his as a later accretion. --Sir G. C. Lewis. 3. Concretion; coherence of separate particles; as, the accretion of particles so as to form a solid mass. 4. A growing together of parts naturally separate, as of the fingers toes. --Dana. 5. (Law) (a) The adhering of property to something else, by which the owner of one thing becomes possessed of a right to another; generally, gain of land by the washing up of sand or sail from the sea or a river, or by a gradual recession of the water from the usual watermark. (b) Gain to an heir or legatee, failure of a coheir to the same succession, or a co-legatee of the same thing, to take his share. --Wharton. Kent.

Collin's Cobuild Dictionary

(accretions) 1. An accretion is an addition to something, usually one that has been added over a period of time. (FORMAL) The script has been gathering editorial accretions for years. N-COUNT 2. Accretion is the process of new layers or parts being added to something so that it increases in size. (FORMAL) A coral reef is built by the accretion of tiny, identical organisms.

Soule's Dictionary of English Synonyms

n. 1. Growth (by accession of parts), accumulation, increase by adhesion. 2. (Med.) Growing together, adhesion. 3. (Law.) Gradual accumulation (of soil, as at the mouth of a river).


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