[n. uh-rith-muh-tik; adj. 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.
adjective, arithmetic.
Also, arithmetical. of or pertaining to 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

arithmetically, adverb
nonarithmetic, adjective
nonarithmetical, adjective
nonarithmetically, adverb
unarithmetical, adjective
unarithmetically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To arithmetic
World English Dictionary
arithmetic (əˈrɪθmətɪk)
1.  the branch of mathematics concerned with numerical calculations, such as addition, subtraction, multiplication, and division
2.  one or more calculations involving numerical operations
3.  knowledge of or skill in using arithmetic: his arithmetic is good
4.  of, relating to, or using arithmetic
[C13: from Latin arithmētica, from Greek arithmētikē, from arithmein to count, from arithmos number]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

mid-13c., from O.Fr. arsmetique (12c.), from L. arithmetica, from Gk. arithmetike (tekhne) "(the) counting (art)," from arithmos "number," from PIE base *ri- "number" (cf. O.E., O.H.G. rim "number;" O.Ir. rim "number," dorimu "I count;" L. ritus "religious custom"). Originally in English arsmetrik, on
folk etymology from L. ars metrica; spelling corrected early 16c. Replaced native tælcræft "tell-craft."
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Science Dictionary
arithmetic   (ə-rĭth'mĭ-tĭk)  Pronunciation Key 
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 © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
If not, a sequence of tests using a type of mathematics called modular
  arithmetic is carried out.
There is a big difference between mathematics and arithmetic.
Many persons who have not studied mathematics confuse it with arithmetic and
  consider it a dry and arid science.
They don't plop students at computers to drill themselves on spelling or
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature