ursodiol

noun
ur·​so·​di·​ol | \ ˌər-sō-ˈdī-ˌȯl How to pronounce ursodiol (audio) , -ˌōl How to pronounce ursodiol (audio) \

Medical Definition of ursodiol

: a bile acid C24H40O4 stereoisomeric with chenodeoxycholic acid that is taken orally to dissolve uncalcified radiolucent gallstones and to treat primary biliary cirrhosis Oral dissolution therapy with ursodiol (ursodeoxycholic acid) administered orally for 6 to 12 months results in the dissolution of 60% to 90% of susceptible stones.— Aijaz Ahmed et al., WebMD Scientific American Medicine, December 2002

called also ursodeoxycholic acid