plug-in

2 ENTRIES FOUND:

1plug–in

adjective \ˈpləg-ˌin\

Definition of PLUG-IN

:  designed to be connected to an electric circuit by plugging in <a plug–in toy> <a plug–in circuit board>

First Known Use of PLUG-IN

1922

2plug–in

noun

computers : a small piece of software that adds a feature to a larger program or makes a program work better

Full Definition of PLUG-IN

1
:  something that plugs in
2
:  a small piece of software that supplements a larger program (as a browser)

First Known Use of PLUG-IN

1946

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