English

Definition of calculus noun from the Oxford Advanced Learner's Dictionary

 

calculus

 noun
noun
BrE BrE//ˈkælkjələs//
 
; NAmE NAmE//ˈkælkjələs//
 
[uncountable] Types of mathematics, Mathematical terminology
 
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the type of mathematics that deals with rates of change, for example in the slope of a curve or the speed of a falling object Wordfinderalgebra, arithmetic, calculus, equation, geometry, logarithm, maths, numeracy, problem, trigonometry See related entries: Types of mathematics, Mathematical terminology Word Origin mid 17th cent.: from Latin, literally ‘small pebble (as used on an abacus)’.
See the Oxford Advanced American Dictionary entry: calculus