H1

H1, and variations thereof may refer to:

• H1
• H1, Histamine H1 receptor
• H1, Histone H1, a protein

<!-- *H1, first half of a fiscal year - The article has no mention, so this is just a dict def & not admissible on a Dab--><!-- *H1, Combat Evolved, a video game created by Bungie, for the Xbox - Not mentioned in article; provide convincing reference for use--><!-- *H1 - No mention in article, nor hint of why "H1"-->

• H1, British NVC community H1 heath zone
• H₁, hydrogen atom
• , one of the three laryngeal in the reconstructed Proto-Indo-European language

Transportation

aviation

• Bell H-1, helicopter
• H1, Hooters Air airline
• Hughes H-1 Racer, a racing aircraft

motor vehicles

• H1, Hummer H1 Humvee-like vehicle
• Hyundai H-1, group of car models

<!-- *Kawasaki H1 Mach III 500, motorcycle -->

roads

<!-- *H01, Highway H01 -->

• H-1, Interstate H-1, a highway in Hawaii

ships & maritime

• H1, John Harrison's first marine chronometer
• H1, H1 Unlimited, a premier unlimited hydroplane racing league
• HMS H1, a 1915 British Royal Navy H-class submarine
• HMS Hotspur , a 1935 British Royal Navy H-class...... ...
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