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WordReference Random House Learner's Dictionary of American English © 2024a•rith•me•tic /n. əˈrɪθmətɪk; adj. ˌærɪθˈmɛtɪk/USA pronunciation n. [uncountable]- Mathematicsthe method, process, or study of adding, subtracting, multiplying, and dividing numbers.
adj. ar•ith•met•ic - MathematicsAlso, ˌar•ithˈmet•i•cal. of or relating to the rules of arithmetic:arithmetical computations.
ar•ith•met•i•cal•ly, adv. WordReference Random House Unabridged Dictionary of American English © 2024a•rith•me•tic (n. ə rith′mə tik;adj. ar′ith met′ik),USA pronunciation n. - Mathematicsthe method or process of computation with figures: the most elementary branch of mathematics.
- MathematicsAlso called higher arithmetic, theoretical arithmetic. the theory of numbers;
the study of the divisibility of whole numbers, the remainders after division, etc. - Mathematicsa book on this subject.
adj. ar•ith•met•ic - MathematicsAlso, ar′ith•met′i•cal. of or pertaining to arithmetic.
- Medieval Latin arismētica, with s for Late Greek th
- Old French arismetique
- Greek arithmētiké̄ (téchnē) (art, skill) of numbers, equivalent. to arithmé(ein) to reckon + -t(o)- verbal adjective, adjectival + -iké̄ -ic; replacing Middle English arsmet(r)ike
- Latin arithmētica, feminine singular of arithmēticus
- 1200–50
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