accretion

Noun
  1. An increase by natural growth or addition (synset 113446038)
  2. Something contributing to growth or increase (synset 113776705)
    "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 (synset 113446598)
  4. (biology) growth by addition as by the adhesion of parts or particles (synset 113446418)
  5. (geology) an increase in land resulting from alluvial deposits or waterborne sediment (synset 113446240)
  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) (synset 113284439)

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