arithmetic

noun arith·me·tic \ ə-ˈrith-mə-ˌtik \
Updated on: 12 Nov 2017

Definition of arithmetic

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

arithmetic

play \ˌer-ith-ˈme-tik, ˌa-rith\ or arithmetical play \-ti-kəl\ adjective

arithmetically

play \-ti-k(ə-)lē\ adverb

arithmetician

play \ə-ˌrith-mə-ˈti-shən\ noun

Examples of arithmetic in a Sentence

  1. a software program that will do the arithmetic for you

  2. I haven't actually done the arithmetic yet, but I suspect we're losing money on the deal.

Recent Examples of arithmetic from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'arithmetic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of arithmetic

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

Other Mathematics and Statistics Terms


ARITHMETIC Defined for English Language Learners

arithmetic

noun

Definition of arithmetic for English Language Learners

  • : a branch of mathematics that deals with numbers and their addition, subtraction, multiplication, and division

  • : the act or process of calculating a number


ARITHMETIC Defined for Kids

arithmetic

noun arith·me·tic \ ə-ˈrith-mə-ˌtik \

Definition of arithmetic for Students

1 :a science that deals with the addition, subtraction, multiplication, and division of numbers
2 :an act or method of adding, subtracting, multiplying, or dividing

arithmetic

\ˌer-ith-ˈme-tik\ or arithmetical \-ti-kəl\ adjective


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