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Look up full screen in Wiktionary, the free dictionary.
Fullscreen may refer to:
- Fullscreen (aspect ratio), an aspect ratio of 4:3 (as opposed to widescreen (>1.37:1))
- Fullscreen, in computing, a display which covers the full screen without the operating system's typical window-framing interface
- Fullscreen (company), an American entertainment company and multi-channel network