First Known Use: 1666

Dictionary

# calculus

*noun*cal·cu·lus \-lÉ™s\

: an advanced branch of mathematics that deals mostly with rates of change and with finding lengths, areas, and volumes

*plural*

**cal·cu·li**\-ËŒlÄ«, -ËŒlÄ“\

*also*

**cal·cu·lus·es**

## Full Definition of *CALCULUS*

1

*a*

**:**Â a method of computation or calculation in a special notation (as of logic or symbolic logic)

*b*

**:**Â the mathematical methods comprising differential and integral calculus â€”often used with

*the*

2

**:**Â calculation

3

*a*

**:**Â a concretion usually of mineral salts around organic material found especially in hollow organs or ducts

*b*

**:**Â

^{1}tartar 2

4

**:**Â a system or arrangement of intricate or interrelated parts

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## Examples of *CALCULUS*

- <by my
*calculus*the more efficient air conditioner will have paid for itself within a span of five years>

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## Origin of *CALCULUS*

Latin, stone (used in reckoning)

## Related to *CALCULUS*

- Synonyms
- arithmetic, calculation, ciphering, computation, figures, figuring, math, mathematics, number crunching, numbers, reckoning

## Other Mathematics and Statistics Terms

CALCULUSES Defined for Kids

## calculus

*noun*cal·cu·lus \Ëˆkal-kyÉ™-lÉ™s\

## Definition of *CALCULUS* for Kids

**:**Â a branch of mathematics that deals mostly with rates of change and with finding lengths, areas, and volumes

Medical Dictionary

## calculus

*noun*cal·cu·lus \-lÉ™s\

*plural*

**cal·cu·li**\-ËŒlÄ«, -ËŒlÄ“\

*also*

**cal·cu·lus·es**

## Medical Definition of *CALCULUS *

1

**:**Â a concretion usually of mineral salts around organic material found especially in hollow organs or ducts

2

**:**Â a concretion on teeth

**:**Â tartar

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