Look up h3 in Wiktionary, the free dictionary.
H3, H03 or H-3 may refer to:
Entertainment
- Happy Hustle High, a manga series by Rie Takada, originally titled "H3 School!"
- H3 (film), a 2001 film about the 1981 Irish hunger strike
- h3h3Productions, styled "[h3]", a satirical YouTube channel
Science
- Triatomic hydrogen (H3), an unstable molecule
- Trihydrogen cation (H3+), one of the most abundant ions in the universe
- Tritium (Hydrogen-3, or H-3), an isotope of hydrogen
- ATC code H03 Thyroid therapy, a subgroup of the Anatomical Therapeutic Chemical Classification System
- British NVC community H3, a heath community of the British National Vegetation Classification system
- Histamine H3 receptor, a human gene
- Histone H3, a component of DNA higher structure in eukaryotic cells
- *h₃, one of the three laryngeals in the reconstructed Proto-Indo-European language
- Hekla 3 eruption, a huge volcanic eruption around 1000 BC
Computing
<h3></h3>, the level-3 HTML heading markup element- HTTP/3, the third revision of a protocol for the World Wide Web
- Socket H3, the common name of the LGA 1150 CPU socket
Transportation
Air and space
- H3 (rocket), an expendable launch system under development by Japan Aerospace Exploration Agency
- Harbour Air Seaplanes (IATA code), a Canadian charter airline
- H-3 Air Base, former Iraqi Air Force base in western Iraq
- H-3 Sea King, a United States Navy helicopter
- Standard H-3, an improved version of the 1916 Standard H-2 aircraft
Automobiles
- Brilliance H3, a Chinese compact sedan
- Haval H3, a Chinese compact SUV
- Huansu H3, a Chinese compact MPV
- Hummer H3, an American mid-size SUV
Ships
- USS H-3 (SS-30), a 1914 United States Navy H-class submarine
- HMS Grenville (H03), a 1935 British Royal Navy destroyer
- HMS H3, a 1915 British Royal Navy H-class submarine
- H3, a yacht build by Oceanco
Rail
- H3 series of METRORail tramways in Houston
- GNR Class H3, a class of British steam locomotives
Roads
- H3 Monks Way, a road part of the Milton Keynes grid road system, United Kingdom
- Interstate H-3, a highway in Hawaii
Other uses
- H3 (classification), a para-cycling classification
- H3, an 18th-century marine chronometer by John Harrison
- H3, a type of automotive halogen lamp
- H3 (pyrotechnics), a pyrotechnic composition
- H3 Hardy Collaboration Architecture, a firm started by Hugh Hardy
- H3 Pharmaceutical Chemistry, an advanced subject for GCE A-level students in Singapore
- DSC-H3, a 2008 Sony Cyber-shot camera
- Hash House Harriers, an international group of non-competitive running, social and drinking clubs
- H3 (Kuwait), an archaeological site
- H3 Entertainment, a subsidiary of the film industry company The H Collective
See also
Search for "h3" on Wikipedia.
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