Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “calculus”


noun [U]     /ˈkæl.kjʊ.ləs/ specialized
an area of advanced mathematics in which continuously changing values are studied Branches and types of mathematics
(Definition of calculus noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of calculus

Definitions of “calculus” in other dictionaries

Translations of “calculus”

Word of the Day


relating to behaviour between people that is pleasant and friendly, often despite a difficult situation

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More