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Definition of “add-on” - English Dictionary

"add-on" in British English

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(Definition of add-on from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

"add on" in Business English

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add on

phrasal verb with add uk   /æd/ us   verb [T]
[T] to include an extra thing or amount: When you add on the amount you have to spend to earn Air Miles, the savings are dubious.
[I] to build an extra part on a building: Developers want to improve the site or add on.

add-onnoun [C]

uk   /ˈædɒn/ us  
something extra that is added to a product to make it better: DVDs often include bonus endings and other 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

add-onadjective [only before noun]

uk   us  
extra: add-on costs/fees/charges Car dealers profit from questionable add-on charges, such as for extended warranties.
(Definition of add on from the Cambridge Business English Dictionary © Cambridge University Press)
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“add-on” in Business English

Avoiding common errors with the word enough.
Avoiding common errors with the word enough.
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May 25, 2016
by Liz Walter Enough is a very common word, but it is easy to make mistakes with it. You need to be careful about its position in a sentence, and the prepositions or verb patterns that come after it. I’ll start with the position of enough in the sentence. When we use it with a noun,

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