renal calculus renal artery • renal colic · · · Info · Definitions · Synonyms · Characters · · renal calculus · · Text Common · · Latin · · Scripts 14 · · Length 5 · · Syllables Definitions · · · (noun) a calculus formed in the kidney. Synonyms: kidney stone, urinary calculus, nephrolith, renal calculus. · · Noun Definition 1 Synonyms · · · kidney stone · · Synonym 1 urinary calculus · · Synonym 2 nephrolith · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075