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Definition of plug-ins - 3 dictionary results

plug-in

[pluhg-in]
–adjective
1. capable of or designed for being connected to an electrical power source by plugging in or inserting: a plug-in hair dryer; a plug-in transistor.
–noun
2. plug (def. 3).
3. jack 1 (def. 3).
4. a plug-in appliance.

Origin:
1920–25; adj., n. use of v. phrase plug in
plug-in   (plŭg'ĭn')
adj.  Designed to be plugged in to an electric circuit: a plug-in game.
n.   Computer Science
See add-in.
plug-in   (plŭg'ĭn')  Pronunciation Key 
An accessory software or hardware package that is used in conjunction with an existing application or device to extend its capabilities or provide additional functions.
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