Lithotripsy /(lĭth"ō̇*trĭp`sy̆)/

Lith·o·trip·sy

Lithotripsy

n.
  1. The operation of crushing a stone in the bladder or urethra to reduce it to particles small enough to be voided; lithotrity. It may be performed with an instrument called lithotriptor or lithotrite (also called a lithoclast); or, more recently, may be accomplished by devices using ultrasonic waves to fragment the stones. (Surg.)