Definition of addition
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
in addition
in addition to
: combined or associated with : 1besides 2 In addition to soup, several salads were served.
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Examples of addition in a Sentence
The children learned addition and subtraction.
The museum's collection includes several new additions.
Recent Examples of addition from the Web
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In addition, on July 14, the Circle will be home to two big events — the annual car show and a sports memorabilia show.
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In addition to the libations that are available, food vendors will offer fare that includes pizza, pierogi, and chili, according to Smrecansky.
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In addition to embassies, key international and local institutions are located in this neighborhood as well as a U.S. military base.
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In addition, foreign insurers and small-to-medium-sized U.S. firms may find the funds an easier and cheaper way to manage assets, Goldman’s Siegel said.
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In addition to the Seattle campaign — which also received a $5,000 donation from the Safeway Foundation — Lew created campaigns for Renton and Tacoma students.
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In addition to the 4x100 team advancing on Saturday, Alabama broke two school records.
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In addition to creating an ideal environment for grassland birds, the land also is becoming a home to pollinators, such as the Monarch butterfly, Roth said.
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Baseball, more than any other American sport, has an extensive visual archive, and the change in imagery — the sharpening of focus, the addition of color — always created a sense of progress across eras.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'addition'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of addition
addicion Anglo-French, from Latin addition-, additio, from addere —see add
First Known Use: 14th century
ADDITION Defined for English Language Learners
addition
playDefinition of addition for English Language Learners
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: the act or process of joining something to something else : the act or process of adding something
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mathematics : the act or process of adding numbers
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: something or someone more that is included : something or someone that is added
ADDITION Defined for Kids
addition
playDefinition of addition for Students
1 : the act or process of adding numbers to obtain their sum
2 : something added an addition to a house
in addition
: as something more
in addition to
: along with or together with There was ice cream in addition to cake and pie.
Learn More about addition
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See words that rhyme with addition Thesaurus: All synonyms and antonyms for addition Spanish Central: Translation of addition Nglish: Translation of addition for Spanish speakers Britannica English: Translation of addition for Arabic speakers Britannica.com: Encyclopedia article about addition
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