XD

XD, pronounced "eks-dee", may refer to:

The XD symbol: X means squeezed eyes and D a smiling mouth

• "xD" or "XD", an emoticon commonly used on the internet to express happiness, self-deprecation, laughter, bewilderment, or sarcasm (tilted 90 degrees clockwise, X indicates squeezed eyes and D an open laughing mouth)
• NX bit (sometimes called the XD bit), a security-related computer technology for x86 and x64 processors
• xD-Picture Card, a format of flash memory developed by Olympus and Fuji, and used mainly in their digital camera products
• Pokémon XD: Gale of Darkness, a video game developed for the Nintendo GameCube
• Scion xD, a subcompact hatchback sold by Toyota's youth-oriented division Scion
• Springfield Armory XD, a line of semi-automatic pistols marketed by Springfield Armory
• XDCAM, a professional video disc format
• Extreme Definition, an informal term used to describe high-definition television (1440p) and distinguish it from Extreme High Definition (XHD)
• Disney XD, the new name for the American cable network Toon Disney as of February 2009

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