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plug–in

1 ENTRIES FOUND:
plug–in /ˈplʌgˌɪn/ noun
plural plug–ins
plug–in
/ˈplʌgˌɪn/
noun
plural plug–ins
Britannica Dictionary definition of PLUG–IN
[count] computers
: a small piece of software that adds a feature to a larger program or makes a program work better