ac·cre·tion /əˈkriʃən/
增大,添加,添加物
ac·cre·tion /əˈkrɪʃən/ 名詞
外著生長,添加生長,生長,堆積,粘連
ac·cre·tion n.
1. The act of increasing by natural growth; esp. the increase of organic bodies by the internal accession of parts; organic growth.
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 growth, but by accretion. --Owen.
To strip off all the subordinate parts of his narrative 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 or toes.
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 soil 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, by failure of a coheir to the same succession, or a co-legatee of the same thing, to take his share.
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accretion
n 1: an increase by natural growth or addition [syn: 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 water-borne 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)