from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Pathological formation of mineral concretions in the body.

from The Century Dictionary.

  • noun In pathology:
  • noun A condition of the body in which uric acid is deposited in the form of stone or gravel in the urinary passages, or in gouty concretions in the tissues.
  • noun In a general sense, the formation of stony deposits of any kind in any part of the body.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Med.) The formation of stony concretions or calculi in any part of the body, especially in the bladder and urinary passages.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun medicine The process of forming stone-like deposits or calculi formed in an internal organ, such as a gallstone in the gall bladder.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the formation of stones (calculi) in an internal organ


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin lithiasis, from Ancient Greek λιθίασις ("lithiasis"), from λίθος (lithos, "stone").


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