1.
Arithmetic is the part of mathematics that is concerned with the addition, subtraction, multiplication, and division of numbers.
...an ~ test.
N-UNCOUNT
2.
You can use ~ to refer to the process of doing a particular sum or calculation.
4,000 women put in ten rupees each, which if my ~ is right adds up to 40,000 rupees.
N-UNCOUNT: oft poss N
3.
If you refer to the ~ of a situation, you are concerned with those aspects of it that can be expressed in numbers, and how they affect the situation.
The budgetary ~ suggests that government borrowing is set to surge...
N-UNCOUNT: usu the N
4.
Arithmetic means relating to or consisting of calculations involving numbers.
...a processor which performs simple ~ operations such as adding or multiplying numbers.
ADJ: ADJ n