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 the Sunset Fire, crews are fighting to contain the rapidly spreading Palisades and Eaton fires, as well as the Hurst, Lidia and Woodley blazes.
—
Tommy Tuberville, Newsweek, 9 Jan. 2025
In addition to her TV credits, Leakes is the founder of Ladies of Success, a circle formed for entrepreneurial women who are eating the fruits of their labor.
—Armando Tinoco, Deadline, 9 Jan. 2025
In addition to the Giglio.com business, the Giglio family independently operates five physical boutiques in Palermo, Italy — a business that began in 1965.
—Martino Carrera, WWD, 9 Jan. 2025
Marvel Rivals is about to launch season 1 in less than 24 hours, and with it, in addition to new content, comes a sweeping balance patch that touches a large number of heroes.
—Paul Tassi, Forbes, 9 Jan. 2025
See all Example Sentences for addition 
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Tommy Tuberville, Newsweek, 9 Jan. 2025
In addition to her TV credits, Leakes is the founder of Ladies of Success, a circle formed for entrepreneurial women who are eating the fruits of their labor.
—Armando Tinoco, Deadline, 9 Jan. 2025
In addition to the Giglio.com business, the Giglio family independently operates five physical boutiques in Palermo, Italy — a business that began in 1965.
—Martino Carrera, WWD, 9 Jan. 2025
Marvel Rivals is about to launch season 1 in less than 24 hours, and with it, in addition to new content, comes a sweeping balance patch that touches a large number of heroes.
—Paul Tassi, Forbes, 9 Jan. 2025
See all Example Sentences for addition
Articles Related to addition
Dictionary Entries Near addition
Cite this Entry
“Addition.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/addition. Accessed 18 Jan. 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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