Definition of plug-in in English:

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Pronunciation: /ˈplʌɡɪn/


1Able to be connected by means of a plug: a plug-in kettle
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.


1 Computing A plug-in module or plug-in software.
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 socket in a car park or garage for plugging in the block heater of a vehicle to prevent the engine from freezing.
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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