• WordNet 3.6
    • n 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)
    • n accretion an increase by natural growth or addition
    • n accretion (geology) an increase in land resulting from alluvial deposits or waterborne sediment
    • n accretion (biology) growth by addition as by the adhesion of parts or particles
    • n accretion (astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
    • n accretion something contributing to growth or increase "he scraped away the accretions of paint","the central city surrounded by recent accretions"
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Webster's Revised Unabridged Dictionary
    • accretion A growing together of parts naturally separate, as of the fingers or toes.
    • accretion Concretion; coherence of separate particles; as, the accretion of particles so as to form a solid mass.
    • accretion (Law) Gain to an heir or legatee, by failure of a coheir to the same succession, or a co-legatee of the same thing, to take his share.
    • accretion The act of increasing by natural growth; esp. the increase of organic bodies by the internal accession of parts; organic growth.
    • accretion 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 growth, but by accretion .""To strip off all the subordinate parts of his narrative as a later accretion ."
    • accretion (Law) 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 soil from the sea or a river, or by a gradual recession of the water from the usual watermark.
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Century Dictionary and Cyclopedia
    • n accretion The act of accreting or accrescing; a growing to; an increase by natural growth; an addition; specifically, an increase by an accession of parts externally.
    • n accretion In pathology, the growing together of parts normally separate, as the fingers or toes.
    • n accretion The thing added; an extraneous addition; an accession: commonly used in the plural, and restricted to accessions made slowly and gradually by some external force.
    • n accretion In law: The increase or growth of property by external accessions, as by alluvium naturally added to land situated on the bank of a river, or on the seashore. When the accretion takes place by small and imperceptible degrees it belongs to the owner of the land immediately behind, but if it is sudden and considerable it may belong to the state.
    • n accretion In Scots law, the completion of an originally defective or imperfect right by some subsequent act on the part of the person from whom the right was derived.
    • n accretion In forestry, increase in diameter or height: distinguished from increment, increase in volume.
    • n accretion In petrol., a term proposed by Johnston-Lavis for a mass formed in solution by deposition about a nucleus, as in oölite, or upon the walls of a cavity. It stands in contrast to concretion, which is defined by the author named as a mechanical agglomeration about a nucleus.
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Chambers's Twentieth Century Dictionary
    • Accretion the process of growing continuously: the growing together of parts externally, or continuous coherence: that which has grown in such a way, any extraneous addition
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  • Walt Whitman
    “Viewed freely, the English language is the accretion and growth of every dialect, race, and range of time, and is both the free and compacted composition of all.”


Webster's Revised Unabridged Dictionary
L. accretio, fr. accrescere, to increase. Cf. Crescent Increase Accrue
Chambers's Twentieth Century Dictionary
L. ad, in addition, crescĕre, to grow.


In literature:

It is not a growth by accretion, as in crystallization, but by intussusception, as in life.
"The Breath of Life" by John Burroughs
Acquisitiveness functionally expresses assimilation, accretion, animal growth, and tends to bodily repletion.
"The People's Common Sense Medical Adviser in Plain English" by R. V. Pierce
These grew by rapid accretions until a new army was in the field.
"Historical Tales, Vol. 4 (of 15)" by Charles Morris
And Klarnood was looking at Verkan Vall with a considerable accretion of respect.
"Last Enemy" by Henry Beam Piper
A thoroughly adequate dramatic stock-company may almost be said to be a thing of natural accretion.
"Shadows of the Stage" by William Winter
The madstone is popularly supposed to be an accretion found somewhere in the system of a white stag.
"Ranching, Sport and Travel" by Thomas Carson
He could pierce through the mists of a thousand years, and see with an eagle eye how one sect and another had laid accretions on the Faith.
"The Faith of Islam" by Edward Sell
It is henceforth treated as an unauthorized accretion to the text.
"The Causes of the Corruption of the Traditional Text of the Holy Gospels" by John Burgon
With any accretion allowed, the concentration of wealth is irresistible.
"Usury" by Calvin Elliott
A number of accretions to the faith, rather ridiculous than revolting, had to be cleared away.
"Erasmus and the Age of Reformation" by Johan Huizinga

In news:

Minnesota patients gets payouts in Accretive settlement.
Minnesota report's findings send Accretive Health stock plunging.
Hospital client of Accretive found in violation of federal laws.
Company to withdraw from Minn. Minnesota Attorney General Lori Swanson speaks July 30, 2012, about the state's lawsuit against Accretive Health.
Chicago-based Accretive Health banned from doing business in Minnesota for 2 years.
Fairview Health Service's former debt collector, Accretive Health on Monday asked a federal judge to dismiss Attorney General Lori Swanson's complaint against the company.
Why The Media 'Can't Handle the Truth' About Accretive Health.
Minnesota Attorney General Lori Swanson Tuesday published a six-volume report on the practices of non-profit hospital and clinic operator Fairview Health Services and one of its service providers, Accretive Health, Inc (NYSE:AH).
Accretive Health Lawyer Claims Minnesota Acted in Bad Faith .
Astronomers detect a magnetic field deep inside a young star's accretion disk.
Hansen, upon reading the recent editorial on the Minnesota ban of bill collecting giant Accretive Health, I think we are looking through opposite ends of the same telescope.
"By acquiring the rights to the leading probiotics technology, we have entered a new, rapidly expanding category that creates accretive growth opportunities," Schiff Nutrition president and CEO Tarang Amin said.
Minnesota's Attorney General Lori Swanson has asked a federal judge to allow her case against Fairview Health System's former debt collector, Accretive, to move forward.
Accretive has water for project says VCMWD.
Accretive's penalty in Minnesota doesn't scare off Wall Street.

In science:

These bright X-ray sources are thought to be accreting neutron stars, and so far no evidence for an accreting black hole has been found among the Milky Way globular cluster X-ray sources.
Optical Counterparts of X-Ray Point Sources Observed by CHANDRA in NGC5128: 20 New Globular Cluster X-Ray Sources
Binney (2003; hereafter B03) has argued that the electron-ion equipartition time is, in fact, much shorter than the accretion time, and thus that two-temperature accretion flow models are unphysical.
On the Viability of Two-temperature Accretion Flows
Models for the outbursts of classical symbiotics include expansion of a white dwarf photosphere due to a change in accretion rate onto the white dwarf, thermonuclear shell flashes, accretion disc instabilities or some combination.
A radio jet in the prototypical symbiotic star Z And?
The presence of an accretion disc is an obvious possibility, but direct evidence for (or against) the existence of an accretion disc is difficult to find for symbiotic stars1 .
A radio jet in the prototypical symbiotic star Z And?
This quenching is apparently due to changes in the geometry of the accretion disc and/or mass accretion rate, although the exact nature of the jet:disc relationship is still undetermined.
A radio jet in the prototypical symbiotic star Z And?