arithmetic

noun

arith·​me·​tic ə-ˈrith-mə-ˌtik How to pronounce arithmetic (audio)
1
a
: a branch of mathematics that deals usually with the nonnegative real numbers including sometimes the transfinite cardinals and with the application of the operations of addition, subtraction, multiplication, and division to them
b
: a treatise on arithmetic
2
arithmetic adjective
or arithmetical
arithmetically adverb
arithmetician noun

Examples of arithmetic in a Sentence

a software program that will do the arithmetic for you I haven't actually done the arithmetic yet, but I suspect we're losing money on the deal.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
During this time, your child is being taught basic arithmetic at school, and introducing them to money management can naturally reinforce these skills while also forming the correlation between numbers and real money. Paula Thielen, Forbes, 25 Oct. 2024 Then again, games are still scored with numbers, so arithmetic does matter in these contests. Dieter Kurtenbach, The Mercury News, 21 Oct. 2024 For him, the moral arithmetic is simple and Israel’s treatment of the Palestinian population is fundamentally wrong. Sean Illing, Vox, 15 Oct. 2024 Not tied to ‘arithmetic of polls’ Not surprisingly, Gallup, Crossley and Roper turned exceedingly cautious in evaluating the 1952 presidential race, maintaining as the campaign closed that either candidate could win. W. Joseph Campbell, The Conversation, 8 Oct. 2024 See all Example Sentences for arithmetic 

Word History

Etymology

Middle English arsmetrik, from Anglo-French arismatike, from Latin arithmetica, from Greek arithmētikē, from feminine of arithmētikos arithmetical, from arithmein to count, from arithmos number; akin to Old English rīm number, and perhaps to Greek arariskein to fit

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of arithmetic was in the 15th century

Dictionary Entries Near arithmetic

Cite this Entry

“Arithmetic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arithmetic. Accessed 28 Nov. 2024.

Kids Definition

arithmetic

noun
arith·​me·​tic ə-ˈrith-mə-ˌtik How to pronounce arithmetic (audio)
1
: a branch of mathematics that deals with real numbers and their addition, subtraction, multiplication, and division
2
: an act or method of computing
arithmetic adjective
or arithmetical
arithmetically adverb
arithmetician noun

More from Merriam-Webster on arithmetic

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