lithiasis Meaning, Definition & Usage

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

WordNet

Li*thi"a*sis noun
Etymology
NL., fr. Gr. , fr. stone.
Definitions
  1. (Med.) The formation of stony concretions or calculi in any part of the body, especially in the bladder and urinary passages. Dunglison.

Webster 1913