Meaning of accretion

ac•cre•tion

Pronunciation: (u-krē'shun), [key]
— n.
  1. an increase by natural growth or by gradual external addition; growth in size or extent.
  2. the result of this process.
  3. an added part; addition: The last part of the legend is a later accretion.
  4. the growing together of separate parts into a single whole.
  5. increase of property by gradual natural additions, as of land by alluvion.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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