Look up fullscreen in Wiktionary, the free dictionary.

The term fullscreen refers to an image or video occupying the screen entirely.

• in computer monitors and television sets, having an aspect ratio of 4:3 (not widescreen)
• in filmmaking, the use of pan and scan, image cropping, or windowboxing to fit widescreen content into a fullscreen display
• in computing, a window or frame which covers the full screen or desktop, often subverting the operating system's normal interface

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