# arithmetic

[noun uh-rith-muh-tik; adjective ar-ith-met-ik]

- the method or process of computation with figures: the most elementary branch of mathematics.
- Also called higher arithmetic, theoretical arithmetic. the theory of numbers; the study of the divisibility of whole numbers, the remainders after division, etc.
- a book on this subject.

- Also ar·ith·met·i·cal. of or relating to arithmetic.

## Origin of arithmetic^{}

1200–50; < Latin arithmētica, feminine singular of arithmēticus < Greek arithmētikḗ (téchnē) (art, skill) of numbers, equivalent to arithmé(ein) to reckon + -t(o)- verbal adjective + -ikḗ -ic; replacing Middle English arsmet(r)ike < Old French arismetique < Medieval Latin arismētica, with s for Late Greek th

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

## Examples from the Web for arithmetically

### Historical Examples

#### His deduction was arithmetically, but not bibliographically, accurate.

The Confessions of a CollectorWilliam Carew Hazlitt

#### Consider, I beg of you, arithmetically, what this fact means.

Time and Tide by Weare and TyneJohn Ruskin

#### Surely that, arithmetically speaking, is the position in which ciphers are most powerful.

#### But the man cannot be the representative of a class, that is clear: it is physically and arithmetically impossible.

The Paris Sketch Book of Mr. M. A. Titmarsh: The Irish Sketch BookWilliam Makepeace Thackeray

#### Arithmetically this work belongs in the first or second years of learning.

The Psychology of ArithmeticEdward L. Thorndike

# arithmetic

- the branch of mathematics concerned with numerical calculations, such as addition, subtraction, multiplication, and division
- one or more calculations involving numerical operations
- knowledge of or skill in using arithmetichis arithmetic is good

- of, relating to, or using arithmetic

## Word Origin

C13: from Latin arithmētica, from Greek arithmētikē, from arithmein to count, from arithmos number

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

## Word Origin and History for arithmetically

# arithmetic

### n.

mid-13c., arsmetike, from Old French arsmetique (12c.), from Latin arithmetica, from Greek arithmetike (tekhne) "(the) counting (art)," fem. of arithmetikos "of or for reckoning, arithmetical," from arithmos "number, counting, amount," from PIE root *re(i)- "to reason, count" (cf. Old English, Old High German rim "number;" Old Irish rim "number," dorimu "I count;" Latin ritus "religious custom;" see read).

Originally in English also arsmetrik, on folk etymology from Medieval Latin ars metrica; spelling corrected early 16c. Replaced native tælcræft, literally "tell-craft."

Online Etymology Dictionary, © 2010 Douglas Harper

# arithmetic

[ə-rĭth′mĭ-tĭk]

- The mathematics of integers, rational numbers, real numbers, or complex numbers under the operations of addition, subtraction, multiplication, and division.

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