What is a plugin? Plugins power videos, animation and games; They're built outside of Firefox by companies like Adobe Systems and Apple; Plugins don't always update. The term plug-in may refer to any of the following. Automotive: Plug-in hybrid electric vehicle Electronics: Plug-in (computing), a piece of software which enhances. Plug-in applications are programs that can easily be installed and used as part of your Web browser. Initially, the Netscape browser allowed you to download, install. Plugged In reviews movies, videos, music, TV and games from a Christian perspective. We're shining a light on the world of popular entertainment. plug (plŭg) n. 1. An object, such as a cork or a wad of cloth, used to fill a hole tightly; a stopper. 2. A dense mass of material that obstructs a passage. In computing, a plug-in (or add-in / addin, plugin, extension or add-on / addon) is a software component that adds a specific feature to an existing software application. Plugins let you do more with Chrome, like view Flash animations or PDF documents. They also help make some videos and audio files work better. Which plugins you can. Java Plug-in technology, included as part of the Java Runtime Environment, Standard Edition (Java SE), establishes a connection between popular browsers and the Java. Download free Adobe Flash Player software for your Windows, Mac OS, and Unix-based devices to enjoy stunning audio/video playback, and exciting gameplay. Definition of PLUG-IN: designed to be connected to an electric circuit by plugging in a plug–in toy a plug–in circuit board ADVERTISEMENT.