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Wikipedia

HN

HN may refer to:

  • Hacker News, a popular tech news site
  • Hanoi, Vietnam
  • Hawk Nelson, a Christian punk band
  • Heavylift Cargo Airlines' IATA airline designator
  • Heilbronn, a city in Germany
  • HN, an abbreviation for Hell No!, a negative exclamation shouted when a less than pleasing event occurs
  • Herceg Novi, a town in Montenegro
  • Honduras, country code ISO 3166-1 alpha-2
  • Hn., an abbreviation for Horn (instrument) in musical scores
  • HN, the abbreviation for Hospitalman, a United States Navy Hospital Corpsman rate
  • Hutchinson and Northern Railway
  • Hyperdimension Neptunia, a game
  • Hn., abbreviation for Hanım, a Turkish word for Mrs.
  • HN, a numbering system for Royal Doulton Figurines named after employee Harry Nixon
  • Hardware Node, Virtual Ethernet device concept
  • .hn, Internet country code top-level domain (ccTLD) for Honduras
  • , a two-letter combination used in some languages
    • Reduction of /hn/ to /n/ in Old/Middle English
The Collaborative International Dictionary

HN

HN \HN\ n. a colorless explosive liquid that is volatile, poisonous, and foul-smelling.

Syn: hydrazoic acid, azoimide.