plug-in

plug-in definition - computer

An auxiliary program that works with a major software package to enhance its capability. For example, plug-ins are widely used in image editing programs such as Photoshop to add a filter for some special effect. Plug-ins are added to Web browsers to enable them to support new types of content (audio, video, etc.). The term is widely used for software, but could also be used to refer to a plug-in module for hardware. See plug-inless.



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