# arithmetic

## arithmetic

noun
1.
the method or process of computation with figures: the most elementary branch of mathematics.
2.
Also called higher arithmetic, theoretical arithmetic. the theory of numbers; the study of the divisibility of whole numbers, the remainders after division, etc.
3.
a book on this subject.
4.
Also, arithmetical. of or pertaining to arithmetic.

Origin:
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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World English Dictionary
 arithmetic (əˈrɪθmətɪk) —n 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 —adj 4. of, relating to, or using arithmetic [C13: from Latin arithmētica, from Greek arithmētikē, from arithmein to count, from arithmos number] arith'metically —adv arithme'tician —n

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Etymonline
Word Origin & History

arithmetic
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
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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