lithiasis

noun

li·​thi·​a·​sis li-ˈthī-ə-səs 

plural lithiases li-ˈthī-ə-ˌsēz 

: the formation of stony concretions in the body (as in the gallbladder)

Word History

Etymology

borrowed from Late Latin lithiāsis "presence of calculi in the urinary tract or gall bladder," borrowed from Greek lithíāsis, from lithiā-, variant stem of lithiáō, lithiân "to suffer from calculi" (derivative of líthos "stone, rock," of obscure origin) + -sis -sis

First Known Use

circa 1657, in the meaning defined above

Medical Definition

lithiasis

noun

li·​thi·​a·​sis lith-ˈī-ə-səs 

plural lithiases -ˌsēz 

: the formation of stony concretions in the body (as in the urinary tract or gallbladder)

—often used in combination

cholelithiasis