gallstoneEnglishOxford Dictionary of Englishgallstone /ˈɡɔːlstəʊn / ▸ noun a small, hard crystalline mass formed abnormally in the gall bladder or bile ducts from bile pigments, cholesterol, and calcium salts. Gallstones can cause severe pain and blockage of the bile duct.
EnglishOxford Dictionary of English
