calculus
/ˈkæl.kjʊ.ləs/
Proposed by a contributor, not yet supported by evidence.
Also seen as: calculi · calculuses
Sense 1
Meaning · English
Calculation; computation.
NounRegister: dated
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
Any formal system in which symbolic expressions are manipulated according to fixed rules.
Noun
Examples
lambda calculus
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “calculus” mean?
Calculation; computation.
Is “calculus” formal or informal?
calculus is generally dated.