addition
noun
ad·di·tion
ə-ˈdi-shən 
a-
1
: a part added (as to a building or residential section)
The addition expanded the kitchen.
2
: anything or anyone added : increase
The clerk was a recent addition to the staff.
3
: the act or process of adding
a recipe enhanced by the addition of freshly ground pepper
especially
: the operation of combining numbers so as to obtain an equivalent simple quantity
schoolchildren learning about addition and subtraction
4
: direct chemical combination of substances into a single product
Examples of addition in a Sentence
The children learned addition and subtraction.
The museum's collection includes several new additions.
Recent Examples on the Web
In addition to Santora, Schwarzenegger, Adam Higgs, Scott Sullivan, Phil Abraham, Amy Pocha, Seth Cohen and Skydance’s David Ellison, Dana Goldberg, and Matt Thunell served as additional executive producers.
—
EW.com, 2 Aug. 2025
In addition to combing through the archives, Madonna is reportedly working with Deadpool & Wolverine producer Shawn Levy on a limited Netflix series based on her life and career.
—Gil Kaufman, Billboard, 1 Aug. 2025
Management sees these new additions contributing to FFO in about two years.
—Brett Owens, Forbes.com, 1 Aug. 2025
In addition to enabling corruption and exacerbating discrimination, aldermanic privilege also can simply enable bad policy — or block the adoption of good law.
—David Greising, Chicago Tribune, 1 Aug. 2025
See All Example Sentences for addition
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EW.com, 2 Aug. 2025
In addition to combing through the archives, Madonna is reportedly working with Deadpool & Wolverine producer Shawn Levy on a limited Netflix series based on her life and career.
—Gil Kaufman, Billboard, 1 Aug. 2025
Management sees these new additions contributing to FFO in about two years.
—Brett Owens, Forbes.com, 1 Aug. 2025
In addition to enabling corruption and exacerbating discrimination, aldermanic privilege also can simply enable bad policy — or block the adoption of good law.
—David Greising, Chicago Tribune, 1 Aug. 2025
See All Example Sentences for addition
Cite this Entry
“Addition.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/addition. Accessed 5 Aug. 2025.
Copy CitationKids Definition
addition
noun
ad·di·tion
ə-ˈdish-ən
a-
1
: the result of adding : increase
2
: the act, process, or operation of adding
3
: a part added (as to a building)
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