plug-in Meaning in the Cambridge English Dictionary Cambridge dictionaries logo
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Meaning of “plug-in” in the English Dictionary

"plug-in" in British English

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plug-innoun [C]

uk   /ˈplʌɡ.ɪn/  us   /ˈplʌɡ.ɪn/
a small computer program that makes a larger one work faster or have more features
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(Definition of plug-in from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"plug-in" in American English

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plug-innoun [C]

 us   /ˈplʌɡ ˌɪn/
a small device or computer program that is designed to be used with and fits into a larger one
(Definition of plug-in from the Cambridge Academic Content Dictionary © Cambridge University Press)

"plug in" in Business English

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plug in

phrasal verb with plug uk   us   /plʌɡ/ verb [T] (-gg-)
[I] IT to become connected to a piece of electrical equipment or to the main electricity supply: The keyboard plugs in at the back of the computer.

plug-innoun [C]

(also plugin) uk   us   /ˈplʌɡɪn/
IT a small computer program that makes a larger one work faster or have more features: The company charges $50 extra for the optional plug-in. Users simply download a small plugin that works with their browsers.

plug-inadjective

(also plugin) uk   us  
IT relating to things that can be added to a computer system to make it work faster or have more features: a plug-in card/keyboard/modem If your PC has no USB ports, you can add them with a plug-in card.
able to be connected using a plug (= object with metal pins for connecting equipment to an electricity supply): a plug-in electric car/hybrid Alternatively, plug-in timer switches can be bought from hardware stores.
(Definition of plug in from the Cambridge Business English Dictionary © Cambridge University Press)
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“plug-in” in Business English

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