› 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

- What does all that add up to? I'm afraid my mental arithmetic isn't very good.
- These kids have had seven years in school and they can't even do some simple arithmetic!
- She was taught reading, writing and arithmetic at the village school.
- He tried to do his tax form but he couldn't work out all the arithmetic.
- I couldn't work in a post office - there is too much arithmetic involved!

arithmetical

adjective uk
/ˌær.ɪθˈmet.ɪ.kəl/ us
/ˌer.ɪθˈmet̬-/ ( also arithmetic,
/ˌær.ɪθˈmet.ɪk/
)

› arithmetical problemsarithmetically

adverb uk
/ˌær.ɪθˈmet.ɪ.kəl.i/ us
/ˌer.ɪθˈmet̬-/

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)

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April 15, 2015

Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,