# calculus

[kal-kyuh-luh s]

## Origin of calculus

1610–20; < Latin: pebble, small stone (used in reckoning), equivalent to calc- (stem of calx stone) + -ulus -ule

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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Related Words for calculi

calculation, calculus, geometry, math, algebra, division, addition, multiplication, subtraction, numbers, trigonometry, concretion, cystolith, bilestone## Examples from the Web for calculi

### Historical Examples of calculi

Intestinal concretions (calculi or stones in the intestines).

Special Report on Diseases of the HorseUnited States Department of Agriculture

Calculi may be globular, ovoid, cylindrical, and truncated cones.

Hence the Greek name ψηφοι, and the Roman calculi and scrupuli; from whence scrupus, a table-man, or chessman.

The Archaeology and Prehistoric Annals of ScotlandDaniel Wilson

The number of calculi which may be present at any time or be produced in the course of years ranges from one to several thousand.

One case154 is reported in which 7802 calculi were found in the gall-bladder, but they must have been very minute in size.

## calculus

## Word Origin for calculus

C17: from Latin: pebble, stone used in reckoning, from calx small stone, counter

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## calculus

Online Etymology Dictionary, © 2010 Douglas Harper

## calculus

[kăl′kyə-ləs]

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

## calculus

[kăl′kyə-ləs]

The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

## calculus

## Note

Most modern sciences use calculus.

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.