Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “addition”

addition

noun
 
 
/əˈdɪʃən/
in addition (to sth) B1 added to what already exists or happens, or more than you already do or have: In addition to teaching, she works as a nurse in the holidays.Becoming biggerEnlarging and inflating
CALCULATION [U] B2 the process of adding numbers or amounts together in order to get a totalCalculations and calculatingAddition, subtraction, multiplication and divisionAddition, subtraction, multiplication and divisionCalculations and calculating
NEW [C] B2 a new or extra thing that is added to something: Baby Sam is the latest addition to their family.Becoming biggerEnlarging and inflatingConnecting and combiningVariety and mixturesMixing and mixturesThings added or attached to other things
(Definition of addition from the Cambridge Learners Dictionary © Cambridge University Press)
Browse related topics

You are looking at an entry to do with Things added or attached to other things, but you might be interested in these topics from the Cutting and joining topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “addition” in other dictionaries

Word of the Day

debut

the occasion when someone performs or presents something to the public for the first time

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More