plug-in Meaning in the Cambridge English Dictionary
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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   us   /ˈplʌɡ.ɪn/
a ​smallcomputerprogram that makes a ​larger one ​workfaster 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 ​smalldevice or ​computerprogram 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 ​electricalequipment or to the ​main electricity ​supply: The ​keyboardplugs in at the back of the ​computer.

plug-innoun [C]

(also plugin) uk   us   /ˈplʌɡɪn/
IT a ​smallcomputerprogram that makes a larger one ​work faster or have more ​features: The ​companycharges $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 ​computersystem to make it ​work faster or have more ​features: a plug-in card/keyboard/modem If your PC has no ​USBports, you can ​add them with a plug-in ​card.
able to be ​connected using a plug (= ​object with metal pins for ​connectingequipment to an electricity ​supply): a plug-in electric ​car/​hybrid Alternatively, plug-in timer ​switches can be ​bought from ​hardwarestores.
(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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