XCR

XCR can stand for:

• Extended Control Register in the x86 architecture
• Robinson Armament XCR, a multi-caliber, gas piston combat rifle
• Vatry Airport in France (IATA code)
• A mountain biking event; see UCI race classifications § Mountain biking
• X-chromosome reactivation, in epigenetics
• Carian language, of ancient south-west Anatolia (ISO 639-3 code: xcr)

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