/əˈrɪθmətɪk/
mass noun
1- the branch of mathematics dealing with the properties and manipulation of numbers算术：
the laws of arithmetic.
运算法则。
1.1
- the use of numbers in counting and calculation计算：
arithmetic had never been her strong point.
计算从来就不是她的强项。
1.2
- figurative those aspects of a particular situation that can be expressed in numerical terms〈喻〉可用数字表示的某种情况：
the parliamentary arithmetic facing the government.
政府面临的有关议会的各种数字
派生词
arithmetical
adjectivearithmetically
adverbarithmetician
noun词源
Middle English: from Old French arismetique, based on Latin arithmetica, from Greek arithmētikē（tekhnē） '(art) of counting'， from arithmos 'number'.