Look up ucn in Wiktionary, the free dictionary.

UCN may stand for:

• National Civic Union (Bolivia), a political party
• Ultracold neutrons
• Genes in the human urocortin family
  • UCN (gene)
  • UCN2
  • UCN3
• UCN, the IATA Airport Code for Buchanan Airport
• Ultimate Custom Night, a survival horror video game
• Universal character name, a feature of C99 (and later versions).

• Central University of Nicaragua, a private and nonprofit university, Nicaragua
• Universidad Católica del Norte, a university in Antofagasta, Chile
• University College of the North, a university college in Manitoba, Canada
• University College of Northern Denmark, a university in Denmark

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