# arithmetic

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

## 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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## Related Words for arithmetical

analytical, scientific, numerical, demographic, numeral, measurable, algebraic, algorithmic, arithmetical, computative, geometrical, math, arithmetic, binary, exponent, fraction, fractional, integral, mathematical, statistical## Examples from the Web for arithmetical

### Historical Examples of arithmetical

There are forces in the world which work, not in an arithmetical, but in a geometrical ratio of increase.

The RepublicPlato

We advance not in arithmetical but in geometrical progression.

The Stark Munro LettersJ. Stark Munro

Then we have Arithmetical Puzzles, an immense class, full of diversity.

The Canterbury PuzzlesHenry Ernest Dudeney

His labours to perfect his arithmetical machine had seriously impaired it.

PascalJohn Tulloch

His wealth increased not in arithmetical but in geometrical progression.

Godfrey MorganJules Verne

## arithmetic

## Word Origin for arithmetic

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

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## arithmetic

Online Etymology Dictionary, © 2010 Douglas Harper

## arithmetic

[ə-rĭth′mĭ-tĭk]

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