n.
Pronunciation: ' li-th ə - ˌ trip-s ē
Function: noun
Inflected Form: plural -sies
Etymology: lith- + Greek tripsis a rubbing, from tribein to rub ― more at THROW
Date: 1834
: the breaking (as by shock waves or crushing with a surgical instrument) of a calculus in the urinary system into pieces small enough to be voided or washed out