Definition of plug-in in English:


Syllabification: plug-in


  • 1Able to be connected by means of a plug: a plug-in telephone
    More example sentences
    • It is a plug-in burglar alarm that connects instantly to any electrical socket outlet.
    • The lawnbeater is one of those plug-in kinds, so I get the grass down in largeish arcs around the electrical outlets - I have a lot of extension cords.
    • With no plug-in entertainment apart from the radio, it is nothing short of wonderful.
  • 1.1 Computing (Of a module or software) able to be added to a system to give extra features or functions: a plug-in graphics card
    More example sentences
    • We envision a basic application that provides a framework for Internet telephony using plug-in modules to accomplish the various tasks to be performed.
    • The keyboard consists of a base, plus various keyboard plug-in modules that can be tailored to specific functions.
    • Then, within your company or industry group, you can buy the operating system and the plug-in tools that you need, and adapt them to your works.


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  • 1 Computing A plug-in module or plug-in software.
    More example sentences
    • A creative mind can do miracles with the plug-in, as the software is able to clone objects and adjust them to the new background in such a way, that they get an artistic effect.
    • First off, the user has to invest a good amount of time to download the plug-ins and the software necessary to view the on-line projects.
    • No additional software or plug-ins are required.
  • 2Canadian An electric outlet for plugging in the block heater of a vehicle in order to keep the engine warm.
    More example sentences
    • Unlike a full-electric vehicle, the hybrid's battery is self-contained and recharges while tapping the brakes, thus requiring no plug-in.
    • But plug-in hybrids do have a gasoline tank for the long trips.

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