H2

From Wikipedia, the free encyclopedia

H2, H-2, or HII can mean:

• Hydrogen-2, H-2, ²H (a.k.a. Deuterium), an isotope of Hydrogen (1 proton, 1 neutron, 1 electron)
• Halo 2, a game for the Xbox, created and developed by Bungie.
• H₂, molecular hydrogen (2 Hydrogen atoms)
• H2 (manga), a baseball manga by Mitsuru Adachi
• the IATA code for Sky Airline
• a model name for a Hummer, see H2 (Hummer)
• Harrison Number Two, an 18th century marine chronometer designed by John Harrison
• H₂ histamine receptor
• Hollywood Squares, referred to as H² informally during the final two seasons (2002-2004) seasons of the Tom Bergeron version.
• In the U.S., a visa (document) issued for temporary non-agricultural employment
• Interstate H-2 is an intrastate interstate highway located on the island of Oahu in Hawaii
• a H II region, a cloud in which star formation takes place
• Lake Havasu City Airport, with the IATA airport code HII
• H-II, H-IIA and H-IIB, families of liquid-fuelled rockets
• the H-II Transfer Vehicle, a JAXA unmanned spacecraft
• British NVC community H2, Calluna vulgaris - Ulex minor heath
• The SH-2 Seasprite, a U.S. helicopter
• H2 (DBMS) Database Engine, an open source Java SQL DBMS
• The second half of the business year
• H-2 is the mouse equivalent of the Human Leukocyte Antigen
• The H2 SUV/SUT/Hydrogen is the second vehicle sold under the Hummer marque of General Motors
• Halloween II, a horror film commonly abbreviated H2.