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
see also in addition, in addition to
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
However, the State Department said Davao City, in addition to a few other locations, is an exception to the advisory.
—
Rachel Wolf, FOXNews.com, 17 Dec. 2025
In addition to her base salary, Leslie-Fite will receive a $5,700 annual automobile stipend, a cell phone and mobile computer, a 401(K) with an employer contribution worth 3% of her salary and the same medical and employee benefits as other city employees.
—Nick Sullivan, Charlotte Observer, 17 Dec. 2025
In addition, the increase in puma density coincided with the highest penguin density ever recorded, Serota said.
—Julia Jacobo, ABC News, 17 Dec. 2025
In addition to the boya oud and amber that give it universal wearability, Mentor also touts salted caramel, coffee, tonka, and dark plum.
—Adam Hurly, Robb Report, 17 Dec. 2025
See All Example Sentences for addition
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Rachel Wolf, FOXNews.com, 17 Dec. 2025
In addition to her base salary, Leslie-Fite will receive a $5,700 annual automobile stipend, a cell phone and mobile computer, a 401(K) with an employer contribution worth 3% of her salary and the same medical and employee benefits as other city employees.
—Nick Sullivan, Charlotte Observer, 17 Dec. 2025
In addition, the increase in puma density coincided with the highest penguin density ever recorded, Serota said.
—Julia Jacobo, ABC News, 17 Dec. 2025
In addition to the boya oud and amber that give it universal wearability, Mentor also touts salted caramel, coffee, tonka, and dark plum.
—Adam Hurly, Robb Report, 17 Dec. 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 22 Dec. 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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