Add-on

noun

Definitions

Noun
  1. 1
    Something which can be appended to something else. attributive, sometimes

    "Payments made before an add-on sale must be allocated entirely to the previous contract or contracts."

  2. 2
    a supplementary component that improves capability wordnet
  3. 3
    A software extension or hardware peripheral that provides additional functions or customization for a core application or system.

    "Microdrives that can hold several gigabytes (see Figure 2.20) have been available as add-ons for portable devices."

  4. 4
    a component that is added to something to improve it wordnet
  5. 5
    Additional chips that can be purchased at specific times in tournament play.
Show 2 more definitions
  1. 6
    a software module that extends or enhances the capabilities of an existing application wordnet
  2. 7
    Synonym of expansion pack.

Etymology

Deverbal from add on.

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