// Workers AI · dad joke modeWhy was ZW in a zoo? It was a wild code.

ZW or zw may refer to:

Science

• ZW sex-determination system, chromosomal in birds and some species of reptile, fish, and insect
  • ZW, heterogametic genetic female designation under this system
• Zettawatt (ZW), an SI unit of power, 10⁺²¹ watts
• Zeptowatt (zW), an SI unit of power, 10⁻²¹ watts
• Zwicky Catalogue (abbreviated: Zw), the "Catalogue of Galaxies and of Clusters of Galaxies"

Groups, organizations

• Air Wisconsin (IATA airline designator: ZW), a US airline
• Zulte-Waregem, Belgian association football club
• Military Gendarmerie (Poland) (ŻW; Polish: Żandarmeria Wojskowa), Polish military police

Other uses

• Zimbabwe (ISO 3166-1 alpha-2 country code ZW), a country in Africa
  • .zw, the country code top level domain (ccTLD) for Zimbabwe
  • Zimbabwean dollar (ZW$)

See also

• All pages with titles containing Z.W.
• All pages with titles beginning with Zw
• All pages with titles containing zw
• ZVV
• WZ (disambiguation)
• ZWS (disambiguation)