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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 ac·cre·tion /əˈkriʃən/

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 ac·cre·tion /əˈkrɪʃən/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 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.

From: WordNet (r) 2.0

      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
      4: (biology) growth by addition as by the adhesion of parts or
      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)