addition

noun
ad·​di·​tion | \ ə-ˈdi-shən How to pronounce addition (audio) , a-\

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
: besides entry 2, also The job requires a college degree and, in addition, at least two years of experience.
in addition to
: combined or associated with : besides entry 1 sense 2 In addition to soup, several salads were served.

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Synonyms for addition

Synonyms

annex, extension, penthouse

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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 on the Web

With one in six students facing hunger, according to Feeding America, food insecurity can have a major impact on a child’s school performance, in addition to their development. Teen Vogue, "Food Insecurity Among American Public School Students Requires Aid Beyond Free Lunch Programs," 16 Apr. 2019 In addition to the financial donation, LVMH also pledged the assistance and aid of its entire portfolio, which includes Louis Vuitton, Dior, Fendi, Celine, Loewe, and Marc Jacobs. Steff Yotka, Vogue, "Fashion Luxury Groups, Kering and LVMH, Pledge Combined 300 Million Euros to Repair Notre Dame," 16 Apr. 2019 The cost is in addition to a regular Hulu subscription, which starts at $5.99 per month. Erica Gonzales, Harper's BAZAAR, "How to Watch Game of Thrones Season 8 Online," 14 Apr. 2019 In addition to tasters at check-in, the brewery’s beer is available at the hotel’s rooftop restaurant, in hotel room minibars, and at other restaurants in the marketplace attached to the hotel. James Lynch, Popular Mechanics, "New Belgium Builds a Brewery in a Denver Hotel," 12 Apr. 2019 In addition to Mulan and Aladdin, Disney is scheduled to release a live-action remake of Lion King on July 19, 2019! Victoria Rodriguez, Seventeen, "Everything We Know About the Live-Action "Lion King" So Far," 10 Apr. 2019 In addition to the daily duties of motherhood, there was also the financial burden of Ubering across the city and paying for a sitter on top of the already pricey class fee. Leah Groth, Glamour, "Peloton’s Online Community Is Changing the Fitness Game for Moms," 9 Apr. 2019 In addition to ruining your hair, rain has a habit of ruining outdoor spring and summer dates. Gena Kaufman, Glamour, "21 Rainy-Day Date Ideas That Aren't Another Movie," 30 Mar. 2019 In addition to Hart, Kerr also shares a son, Flynn, with Orlando Bloom. Vogue, "Miranda Kerr and Evan Spiegel Are Expecting Their Second Child," 30 Mar. 2019

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.

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First Known Use of addition

14th century, in the meaning defined at sense 1

History and Etymology for addition

Middle English addicioun, borrowed from Anglo-French addicion, borrowed from Latin additiōn-, additiō, from addi-, variant stem of addere "to add" + -tiōn-, -tiō, suffix of action nouns

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Statistics for addition

Last Updated

19 Apr 2019

Look-up Popularity

Time Traveler for addition

The first known use of addition was in the 14th century

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More Definitions for addition

addition

noun

English Language Learners Definition of addition

: the act or process of joining something to something else : the act or process of adding something
mathematics : the act or process of adding numbers
: something or someone more that is included : something or someone that is added

addition

noun
ad·​di·​tion | \ ə-ˈdi-shən How to pronounce addition (audio) \

Kids Definition of addition

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.

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Comments on addition

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