Calculus ¹

Definition: Any solid concretion, formed in any part of the body, but most frequent in the organs that act as reservoirs, and in the passages connected with them; as, biliary calculi; urinary calculi, etc.

Calculus ²

Definition: A method of computation; any process of reasoning by the use of symbols; any branch of mathematics that may involve calculation.

calculus ³

Definition: the branch of mathematics that is concerned with limits and with the differentiation and integration of functions

calculus ⁴

Definition: a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body; "renal calculi can be very painful"

calculus ⁵

Definition: an incrustation that forms on the teeth and gums