accretorn.

Brit.

/əˈkriːtə/, U.S.

/əˈkridər/

Origin: Formed within English, by derivation. Etymons: accrete v., -or suffix.

Etymology: < accrete v. + -or suffix.

1. A person who or thing which engages in or promotes the accumulation or gradual increase of something.

ΚΠ

1892 Amer. Catholic Q. Rev. 17 842 We feel encouraged to say that he is only an accretor and a selecting discarder.

1893 National Observer 1 July 168/1 To lure us on to Burgundy by pronouncing it an Accretor of Blood is neither more nor less than to put a cheat upon us.

1981 Canad. Jrnl. Irish Stud. 7 63 As for Beckett, lucid and fluent in style, he is contrasted with Joyce, ‘the great “accretor”, piling nuance upon nuance’.

1995 D. M. Fox in D. Rosner Hives of Sickness iii. 206 Many participants in the politics of accretion also supported innovations promoted by the reformers... But the priorities of the accretors and reformers have been different.

2. Ecology. A plant, group of plants, or ecosystem that promotes the accretion of sediment. rare.

ΚΠ

1918 A. E. Carey & F. W. Oliver Tidal Lands 176 The closeness of its texture and its capacity to grow through make it a most efficient accretor of silt.

1966 J. A. Steers in F. F. Darling & J. P. Milton Future Environments N. Amer. 550/2 Spartina itself is an excellent accretor of mud and can be of much use in helping to reclaim low flats.

1996 J. R. Clark Coastal Zone Managem. Handbk. iii. 353 Geologically, too, the marshes play a significant role. They act as sediment accretors or as depositories for sediments.

3. Astronomy. A celestial object that gains matter by accretion (accretion n. 2d); spec. the component of an interacting binary system, typically a compact star or black hole, which accretes material derived from the other component.Cf. X-ray binary n. at X-ray n. and adj. Compounds 2a.

ΚΠ

1962 B. Lovell Explor. Outer Space ii. 33 This process continued through a thousand million years or so, the coagulations all the time getting bigger and bigger, with fragmentation occurring as the larger particles collided. Eventually these became powerful accretors of material.

1979 Nature 15 Nov. 275/2 Massive main-sequence accretors will form the brightest Hubble–Sandage variables.

1992 S. P. Maran Astron. & Astrophysics Encycl. 83/1 Capture of the stellar wind of one star by its companion..can give rise to observable phenomena (e.g., massive x-ray binaries if the accretors are neutron stars or black holes, or symbiotic stars if the accretors are white dwarf stars).

2010 U. Kolb Extreme Environment Astrophysics Introd. 9 The main focus of the text is indeed on stellar mass accretors, i.e. compact binaries, where the accretion flows and their emission can be studied in great detail.

This is a new entry (OED Third Edition, March 2012; most recently modified version published online December 2021).

单词	accretor
释义	accretorn. Brit. /əˈkriːtə/, U.S. /əˈkridər/ Origin: Formed within English, by derivation. Etymons: accrete v., -or suffix. Etymology: < accrete v. + -or suffix. 1. A person who or thing which engages in or promotes the accumulation or gradual increase of something. ΚΠ 1892 Amer. Catholic Q. Rev. 17 842 We feel encouraged to say that he is only an accretor and a selecting discarder. 1893 National Observer 1 July 168/1 To lure us on to Burgundy by pronouncing it an Accretor of Blood is neither more nor less than to put a cheat upon us. 1981 Canad. Jrnl. Irish Stud. 7 63 As for Beckett, lucid and fluent in style, he is contrasted with Joyce, ‘the great “accretor”, piling nuance upon nuance’. 1995 D. M. Fox in D. Rosner Hives of Sickness iii. 206 Many participants in the politics of accretion also supported innovations promoted by the reformers... But the priorities of the accretors and reformers have been different. 2. Ecology. A plant, group of plants, or ecosystem that promotes the accretion of sediment. rare. ΚΠ 1918 A. E. Carey & F. W. Oliver Tidal Lands 176 The closeness of its texture and its capacity to grow through make it a most efficient accretor of silt. 1966 J. A. Steers in F. F. Darling & J. P. Milton Future Environments N. Amer. 550/2 Spartina itself is an excellent accretor of mud and can be of much use in helping to reclaim low flats. 1996 J. R. Clark Coastal Zone Managem. Handbk. iii. 353 Geologically, too, the marshes play a significant role. They act as sediment accretors or as depositories for sediments. 3. Astronomy. A celestial object that gains matter by accretion (accretion n. 2d); spec. the component of an interacting binary system, typically a compact star or black hole, which accretes material derived from the other component.Cf. X-ray binary n. at X-ray n. and adj. Compounds 2a. ΚΠ 1962 B. Lovell Explor. Outer Space ii. 33 This process continued through a thousand million years or so, the coagulations all the time getting bigger and bigger, with fragmentation occurring as the larger particles collided. Eventually these became powerful accretors of material. 1979 Nature 15 Nov. 275/2 Massive main-sequence accretors will form the brightest Hubble–Sandage variables. 1992 S. P. Maran Astron. & Astrophysics Encycl. 83/1 Capture of the stellar wind of one star by its companion..can give rise to observable phenomena (e.g., massive x-ray binaries if the accretors are neutron stars or black holes, or symbiotic stars if the accretors are white dwarf stars). 2010 U. Kolb Extreme Environment Astrophysics Introd. 9 The main focus of the text is indeed on stellar mass accretors, i.e. compact binaries, where the accretion flows and their emission can be studied in great detail. This is a new entry (OED Third Edition, March 2012; most recently modified version published online December 2021). < n.1892
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