Add-on meaning

ăd'ŏn', -ôn'
One thing added as a supplement to another.
noun
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Something, as an option or accessory, that can be added to enhance the performance, appearance, etc. of something; specif., a piece of hardware or software designed to enhance a computer setup, application, etc.
noun
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An additional amount or charge.
noun
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(1) Software that adds functionality to an existing application. See plug-in.
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Something to expand something else.
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Something which can be appended to something else.
noun
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(computing, hardware, software) A software extension or hardware peripheral that provides additional functions or customization for a core application or system.
noun
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Alternative form of add-on.

The manufacturer sold many add ons for the basic camera.

The secretary offered a full typing and copying service for theses with the option of binding as an add on.

noun
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To make an addition to something.
verb
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Origin of add-on

  • From Wiktionary