Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “add-on”

See all translations

add-on

noun [C]
 
 
/ˈædɒn/
something extra that is added to a product to make it better: DVDs often include bonus endings and other add-ons.an add-on to sth Many companies offer legal expenses cover as an add-on to home insurance policies. add-on parts/products/services
IT a piece of computer equipment or software that is added to a computer so that the computer can do more or different things: an add-on to sth It would require an add-on to a browser to make it all work. add-on devices/features/software
(Definition of add-on noun from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of add-on?
Add Cambridge dictionaries to your browser to your website

Definitions of “add-on” in other dictionaries

Word of the Day

piglet

a baby pig

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More