# Definition of 'calculus'

uncountable noun

COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers

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.

4. plural -li (-ˌlaɪ) pathology

Collins English Dictionary. Copyright © HarperCollins Publishers

Word origin of 'calculus'

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'

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In Common Usage. calculus is one of the 10000 most commonly used words in the Collins dictionary

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