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

In addition to Rowe, Williams is a college basketball savant who has been with ESPN since 2011—is it too much to ask for either of them to get a promotion? Michelle Ruiz, Vogue, "Why Are Women Always on the Sidelines of Sports Reporting?," 18 Mar. 2019 Squat variations that include a plyometric component—like a jump—will get your heart rate high quickly, making them great for cardio in addition to strengthening your lower body. Amy Marturana, SELF, "17 Squat Variations That Will Seriously Work Your Butt," 18 Mar. 2019 Crossovers have taken over sedans in sales, so Tesla's plan to add another one to the lineup, in addition to the Model X, makes sense. Alexander George, Popular Mechanics, "Tesla Reveals the New Model Y Crossover," 15 Mar. 2019 Poots says of Bloomberg, who, in addition to allocating $75 million of city funds to the Shed while in office, has donated $75 million through his Bloomberg Philanthropies. Chloe Malle, Town & Country, "Is the Shed the Defining Arts Institution of a New New York City?," 14 Mar. 2019 But in addition to those 12 sounds, the LectroFan also offers 10 more that are just different types of realistic fan noises. Brittney Morgan, House Beautiful, "LectroFan EVO Is the Perfect Gift for People who Can't Sleep Without a Fan on," 14 Mar. 2019 In addition to their traditional Italian fare, Macaroni Grill offers a special Easter brunch, featuring favorites like avocado toast, eggs Benedict, and strawberry french toast. Sarah Schreiber, Good Housekeeping, "20 Restaurants That Will Stay Open on Easter Sunday," 12 Mar. 2019 In addition to members of the royal family, representatives from the numerous Welsh charities Charles supports are also in attendance at today's party. Caroline Hallemann, Town & Country, "Camilla, the Duchess of Cornwall, Just Arrived at Buckingham Palace Wearing a Green Look," 5 Mar. 2019 In addition to his music, Lionel also launched a home collection, sold exclusively at J.C. Penney stores. Marie Milano, Country Living, "A Detailed Timeline of Lionel Richie's Marriages and Relationships," 3 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

22 Mar 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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