Meaning of concretion

con•cre•tion

Pronunciation: (kon-krē'shun, kong-), [key]
— n.
  1. the act or process of concreting or becoming substantial; coalescence; solidification.
  2. the state of being concreted.
  3. a solid mass formed by or as if by coalescence or cohesion: a concretion of melted candies.
  4. anything that is made real, tangible, or particular.
  5. a solid or calcified mass in the body formed by a disease process.
  6. a rounded mass of mineral matter occurring in sandstone, clay, etc., often in concentric layers about a nucleus.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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