plug-in
noun/ˈplʌɡ ɪn/
/ˈplʌɡ ɪn/
- (computing) a piece of computer software that can be added to a system so that it can do more things
- (Canadian English) a connection to an electricity supply in a garage, etc. so that you can use an electric heater to warm the engine of a car, so that it starts more easily
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plug-in