# Definition of 'calculus'

noun plural -luses

1.

a branch of mathematics, developed independently by Newton and Leibniz. Both differential calculus and integral calculus are concerned with the effect on a function of an infinitesimal change in the independent variable as it tends to zero

2.

any mathematical system of calculation involving the use of symbols

4. plural -li (-ˌlaɪ) pathology

Collins English Dictionary. Copyright © HarperCollins Publishers

## Word origin of 'calculus'

C17: from Latin: pebble, stone used in reckoning, from calx small stone, counter nounWord forms: plural ˈcalcuˌli (ˈkælkjəˌlaɪ
; kalˈkyəlīˌ) or ˈcalculuses

1.
see also tartar (sense 2)

2. Ancient Mathematics

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.

## Word origin of 'calculus'

L: see calculate## Example sentences containing 'calculus'

Times, Sunday Times (2006) DOT.CON (2001)

But if you are out of work, this calculus changes.

Times, Sunday Times (2009)Scotland has changed the calculus.

Times, Sunday Times (2015)But at last science has confirmed what anyone who has attempted differential calculus suspected: being asked to do maths problems can be physical torture.

Times, Sunday Times (2012) Times, Sunday Times (2010)## Word Lists

Branches of mathematics## Trends of 'calculus'

View usage over:

## Source

Definition of

**calculus**from the Collins English DictionaryProtect yourself from online fraud

What to look out for to stay one step ahead of scammers

Read more

We take a look at the etymology behind the word 'election' in the run-up to the UK General Election in June

Language expert Ian Brookes looks at the word 'election' and its origins.

Read more

Join the Collins community

All the latest wordy news, linguistic insights, offers and competitions every month.

Read more

## Comments