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add-on

noun
\ ˈad-ˌän, -ˌȯn\

Definition of add-on

 (Entry 1 of 2)

: something added on: such as
a : a sum or amount added on
b : something (such as an accessory or added feature) that enhances the thing it is added to computer hardware add-ons

add-on

adjective

Definition of add-on (Entry 2 of 2)

1 : being or able to be added on an add-on device
2 : able to be added to add-on certificates of deposit

First Known Use of add-on

Noun

1930, in the meaning defined above

Adjective

1955, in the meaning defined at sense 1

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More Definitions for add-on

add-on

noun

English Language Learners Definition of add-on

: an extra part or device that can be added to something else to improve it

See the full definition for add-on in the English Language Learners Dictionary

add-on

adjective

Legal Definition of add-on

1 : being or able to be added on add-on no-fault benefits
2 : able to be added to add-on certificates of deposit

More from Merriam-Webster on add-on

Rhyming Dictionary: Words that rhyme with add-on

Thesaurus: All synonyms and antonyms for add-on

Nglish: Translation of add-on for Spanish Speakers

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