calculus
Pronunciation:
/ˈkæl.kjʊ.ləs//ˈkæl.kjə.ləs/noun
Definitions
Calculation; computation.
Any formal system in which symbolic expressions are manipulated according to fixed rules.
Example: lambda calculus
(often definite, the calculus) Differential calculus and integral calculus considered as a single subject; analysis.
A stony concretion that forms in a bodily organ.
Example: renal calculus ( = kidney stone)