If one thing is added on to another, it is attached to the other thing, or is made a part of it.
Holiday-makers can also add on a week in Majorca before or after the cruise. [VERBPARTICLE noun]
To the rear is a large dining room–added on early this century. [VERB-ed PARTICLE]
2. phrasal verb
If you add on an extra amount or item to a list or total, you include it.
Many loan application forms automatically add on insurance. [VERBPARTICLE noun]
[Also VERB noun PARTICLE]
See full dictionary entry for add
add-on
Word forms: plural add-ons
countable noun [oft NOUN noun]
An add-on is an extra piece of equipment, especially computer equipment, that can be added to a larger one which you already own in order to improve its performance or its usefulness.
Speakers are sold as add-ons for personal stereos. [+ for]
add-on in British English
noun
a feature that can be added to a standard model or package to give increased benefits
add-on in American English
(ˈædˌɑn)
US
noun
something added to something else; specif., an option or accessory that can be purchased to enhance the performance, appearance, etc. of the thing to which it is added
Examples of 'add-on' in a sentence
add-on
He told the man at the check stand that he was installing a tub in an add-on bathroom.
J. A. Jance HOUR OF THE HUNTER (1991)
In other languages
add on
British English: add-on NOUN
An add-on is an extra piece of equipment that can be added to a larger one in order to improve its performance or usefulness.
Speakers are sold as add-ons for personal stereos.
American English: add-on
Brazilian Portuguese: acessório
Chinese: 附带装置尤指电脑的
European Spanish: accesorio
French: option
German: Zusatz
Italian: add-on
Japanese: 拡張機器
Korean: 부가 장치
European Portuguese: acessório
Latin American Spanish: accesorio
Chinese translation of 'add on'
add on
vt
附加 (fùjiā)
⇒ They add on 9 per cent for service.他们附加9%的服务费。 (Tāmen fùjiā bǎi fēn zhī jiǔ de fúwùfèi.)