addition
A2Pronunciation
UK
- /ədˈɪʃən/
US
- /əˈdɪʃən/
Description
- adding together (math)
- act of adding
- extra thing added
- increase
- extension (building)
Addition isn't just about numbers! While we often think of it as putting digits together to get a total (like 2 + 2 = 4), addition, at its heart, is the act of adding something to something else. Think of building with LEGO bricks—each brick you snap on is an addition to your creation. A new member joining a team is an addition to the group. Even a pinch of spice can be an addition that transforms a dish's flavor. It's about growth, increase, and joining elements to make something whole. Sometimes it's straightforward, like adding sugar to tea; other times, it's more complex, like the addition of a new wing to a museum.
Addition refers to the act or result of adding—combining quantities or elements to create a larger whole. Most commonly, we associate it with mathematics: the operation of finding the sum of two or more numbers. For example: "The addition of 15 and 7 equals 22." However, the concept extends far beyond calculations.
Addition can describe any act of increasing something in size, number, or degree. When a company announces "an addition to its product line," they are expanding their offerings. If a lawyer says new evidence is "a significant addition to the case," it suggests the argument has been strengthened. It implies that something is being added to what already exists, making it bigger, better, or more comprehensive.
The word is also used as a specific noun to describe physical expansions. For instance, if you build a new room attached to your house, that new room is called "an addition."
Finally, it appears in common linking phrases like "in addition" and "in addition to," which signal that you're about to add another point: "In addition to being a talented musician, she's also a skilled painter."
So, whether you're balancing a checkbook, renovating a home, expanding a business, or simply adding details to a story, addition is the fundamental act of bringing things together.
Examples
- 1
Math class
We're learning addition and subtraction in math class this week.
- 2
Room comfort
The addition of a few chairs made the room much more comfortable.
- 3
Building space
This small office is a recent addition to the building.
Pattern
an addition to + place/group
something new that has been added
- 4
Team value
Her calm leadership was a big addition to the team.
- 5
Extra items
In addition to coffee, they also serve tea and fresh juice.
Phrase
in addition to
as well as
- 6
Benefits
The job comes with health insurance and, in addition, six weeks of paid leave.
Phrase
in addition
also
- 7
Software update
The latest update includes several useful additions.
Forms and spellings
2 forms open this card.
Main spelling
- additionnoun
Forms
- additionspluralnoun