arithmetic Meaning in the Cambridge English Dictionary
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Meaning of “arithmetic” in the English Dictionary

"arithmetic" in British English

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arithmeticnoun [U]

uk   /əˈrɪθ.mə.tɪk/  us   /-t̬ɪk/
the ​part of ​mathematics that ​involves the ​adding and ​multiplying, etc. of ​numbers: I've never been very good at arithmetic. an arithmetic ​test calculationsinvolvingadding and ​multiplying, etc. ​numbers: I did some ​quick mental arithmetic and ​decided it was going to ​cost too much. I can't ​figure out which of these is ​cheaper - could you do the arithmetic?
More examples
arithmetical
adjective uk   /ˌær.ɪθˈmet.ɪ.kəl/  us   /ˌer.ɪθˈmet̬-/ (also arithmetic, uk   /ˌær.ɪθˈmet.ɪk/ us   )
arithmetical ​problems
arithmetically
adverb uk   /ˌær.ɪθˈmet.ɪ.kəl.i/  us   /ˌer.ɪθˈmet̬-/
(Definition of arithmetic from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"arithmetic" in American English

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arithmeticnoun [U]

 us   /əˈrɪθ·məˌtɪk/
mathematics the ​process of making calculations such as ​adding, ​multiplying, and ​dividing by using ​numbers, or the ​study of this
arithmetical
adjective  /ˌeər·əθˈmet̬·ɪ·kəl, ˌær-/
mathematics an arithmetical ​operation/​progression
arithmetically
adverb  /ˌeər·əθˈmet̬·ɪk·li, ˌær-/
mathematics arithmetically ​equivalentnumbers
(Definition of arithmetic from the Cambridge Academic Content Dictionary © Cambridge University Press)
Translations of “arithmetic”
in Korean 산수, 산술…
in Arabic حِساب…
in Malaysian aritmetik…
in French arithmétique…
in Russian арифметика…
in Chinese (Traditional) 算術, 算術運算, 演算…
in Italian aritmetica…
in Turkish matematik…
in Polish arytmetyka, obliczenia…
in Spanish aritmética…
in Vietnamese số học…
in Portuguese aritmética…
in Thai คณิตศาสตร์…
in German die Arithmetik…
in Catalan aritmètica…
in Japanese 算数, 計算…
in Chinese (Simplified) 算术, 算术运算, 演算…
in Indonesian ilmu hitung…
What is the pronunciation of arithmetic?
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