• Add-on

    Alternative forms

    Origin

    add + on

    Noun

    add-on

    (plural add-ons)
    1. Something which can be appended to something else.
    2. (computer hardware, software) A software extension or hardware peripheral that provides additional functions or customization for a core application or system.
      • 2010, Kenneth Baldauf, Ralph Stair, Succeeding with Technology (page 77)Microdrives that can hold several gigabytes (see Figure 2.20) have been available as add-ons for portable devices.

    Synonyms

    Anagrams

    © Wiktionary