kidney stone(redirected from Kidney stones)
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A small hard mass in the kidney that forms from deposits chiefly of phosphates and urates.
1. (Pathology) pathol Also called: renal calculus a hard mass formed in the kidney, usually composed of oxalates, phosphates, and carbonates
2. (Minerals) mineralogy another name for nephrite
a stony mineral concretion formed abnormally in the kidney.