add-on
noun
Forms add-ons addon
- noun (sometimes attributive) Something which can be appended to something else.
- noun (computer hardware, software) A software extension or hardware peripheral that provides additional functions or customization for a core application or system.
- noun (poker) Additional chips that can be purchased at specific times in tournament play.
- noun (video games) Synonym of expansion pack.
Synonyms
addition expansion pack supplement add-in plug-in improver accessory appurtenance
Etymology
Deverbal from add on.
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “add-on”, CC BY-SA 4.0. Details