10 letters · 14 points in Scrabble
noun the formation of stonelike objects within a body organ (e.g., the kidneys)
noun a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body
noun an increase in the density of something
originBorrowed from French concrétion, or Latin concretio.
Etymology from Wiktionary, CC BY-SA 3.0