1. 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

Similar word(s): concretion

Definition categories: object, rock, stone

2. an incrustation that forms on the teeth and gums

Similar word(s): tartar, tophus

Definition categories: object, crust, encrustation, incrustation

3. the branch of mathematics that is concerned with limits and with the differentiation and integration of functions

Definition categories: thought

Sentences with calculus as a noun:

- lambda calculus

- predicate calculus

- renal calculus ( = kidney stone)