Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “arithmetic”

See all translations

arithmetic

noun [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 calculations involving adding 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,   /ˌær.ɪθˈmet.ɪk/   )
arithmetical problems
arithmetically
adverb uk   /ˌær.ɪθˈmet.ɪ.kəl.i/ us    /ˌer.ɪθˈmet̬-/
Translations of “arithmetic”
in Korean 산수, 산술…
in Arabic حِساب…
in French arithmétique…
in Turkish matematik…
in Italian aritmetica…
in Chinese (Traditional) 算術, 算術運算, 演算…
in Russian арифметика…
in Polish arytmetyka, obliczenia…
in Spanish aritmética…
in Portuguese aritmética…
in German die Arithmetik…
in Catalan aritmètica…
in Japanese 算数, 計算…
in Chinese (Simplified) 算术, 算术运算, 演算…
(Definition of arithmetic from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of arithmetic?
Add Cambridge dictionaries to your browser to your website

Definitions of “arithmetic” in other dictionaries

Word of the Day

pup

a baby of particular animals, or a puppy

Word of the Day

I won’t tolerate it! Replacing formal words with phrasal verbs.

by Liz Walter,
April 01, 2015
When you are using a language, it is important to understand if a word is formal or informal, so that you can use it in an appropriate way. You might hear people saying dosh for money, or spud for potato, but they wouldn’t write those words in a formal essay. Similarly, a

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More