addition definition, meaning - what is addition in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “addition”

See all translations

addition

noun uk   us   /əˈdɪʃ.ən/
B2 [U] the process of adding numbers or amounts together: Twice a week the children are tested in basic mathematical skills such as addition (= calculating the total of different numbers put together) and subtraction.in addition (to) B1 as well (as): In addition to his apartment in Manhattan, he has a villa in Italy and a castle in Scotland.B2 [C] something that has been added to something else: A secretary would be a welcome/useful addition to our staff.humorous I hear you're expecting a small addition to the family (= you are going to have a baby)! [C] the act of adding a substance or thing to something else: Most working environments are improved by the addition of (= by adding) a few plants and pictures. [C] US (UK extension) a new part added to a house or other building: We're building an addition to our house.
More examples
(Definition of addition from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of addition?
Add Cambridge dictionaries to your browser to your website

Definitions of “addition” in other dictionaries

Word of the Day

intellectualize

to think about or discuss a subject in a detailed and intellectual way, without involving your emotions or feelings

Word of the Day

What’s All The Commotion About? (Words to describe sounds)

by Kate Woodford,
May 20, 2015
​​​ In this post we look at a range of words and phrases that we use to describe noise and the absence of noise. Starting with complete quiet, we sometimes use the noun hush to describe silence: A hush fell over the room as the bride walked in./There was a deathly hush (=complete

Read More 

plyscraper noun

May 18, 2015
a skyscraper made mainly from wood The development of engineered timber could herald a new era of eco-friendly ‘plyscrapers’. Christchurch welcomed its first multistorey timber structure this year, there are plans for Vancouver, and the talk is China could follow

Read More