The process of calculating the total of two or more numbers or amounts. noun
The teacher explained the concept of addition using simple numbers.
In addition to his salary, he receives a bonus every year.
Something that is added to something else. noun
The new wing is a recent addition to the hospital.
They built an addition to their house to create more space.
The act of adding something to something else. noun
The addition of a new team member improved the project's progress.
With the addition of more spices, the dish tasted much better.