add-on

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add-on

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noun add-ons · addon

  1. attributive, sometimes Something which can be appended to something else. Payments made before an add-on sale must be allocated entirely to the previous contract or contracts.
  2. 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.
  3. Additional chips that can be purchased at specific times in tournament play.
  4. Synonym of expansion pack.

Similar: supplement, add-in, plug-in

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