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Look up H1 in Wiktionary, the free dictionary.
H1, H-1, H01, H I may refer to:
Places
edit- Interstate H-1, a highway in Hawaii
- Area H1, the area of Hebron controlled by the Palestinian Authority under the Hebron Protocol
Science
edit- H1 (particle detector)
- Histamine H1 receptor
- Histone H1, a protein
- British NVC community H1, a heath zone
- Hydrogen atom (H1)
- Protium (isotope), an isotope of hydrogen
- H I region, a cloud in the interstellar medium
- ATC code H01 Pituitary and hypothalamic hormones and analogues, a subgroup of the Anatomical Therapeutic Chemical Classification System
- Haplogroup H1 (disambiguation), a grouping in genetics based on certain similarities
- Alternative hypothesis (H1)
Technology
edit<h1></h1>
, level 1 heading markup for HTML Web pages; see HTML element- DSC-H1, a Sony Cybershot digital camera
- H1, John Harrison's first marine chronometer
- Tianwen-1 (formerly Huoxing-1), first Chinese space probe to reach Mars
- H-1NF, the Australian Plasma Fusion Research Facility, formerly H-1 Heliac stellarator
Transportation
edit- H1 Lamp, an automotive halogen light bulb
- H-I or H–1, a Japanese rocket
- Rocketdyne H-1, a liquid-propellant rocket engine
Aviation
edit- Bell Huey family Bell H-1, series of helicopters with that designation
- Hooters Air airline
- Hughes H-1 Racer, a racing aircraft
Motor vehicles
edit- Haval H1, a Chinese subcompact crossover
- Hummer H1, an American full-size SUV
- Hyundai H-1, a South Korean commercial van
- Tiger H1, a German heavy tank used during WW2
Motorcycles
edit- Kawasaki H1 Mach III, road motorcycle
- Kawasaki H1R, racing motorcycle
Ships
edit- HMS H1, a 1915 British Royal Navy H-class submarine
- HMS Hotspur (H01), a 1935 British Royal Navy H-class destroyer
- USS H-1, a 1913 United States Navy submarine
Rail
edit- LB&SCR H1 class, a class of British steam locomotives
- LNER Class H1, a class of British steam locomotives
- Designation for METRORail Siemens S70 light rail vehicles
Time
edit- H1 may refer to the first half of the business year, while H2 refers to the second half.
Other uses
edit- H1 (classification), a para-cycling classification
- *h₁, one of the three laryngeals in the reconstructed Proto-Indo-European language
- H1 Unlimited, a premier unlimited hydroplane racing league
- Hora Um da Notícia, a news program aired by Rede Globo