H2
1693069
223008793
2008-07-02T04:11:18Z
Art LaPella
94794
"an H", not "a H"
'''H2''', '''H-2''', or '''HII''' can mean:
*Hydrogen-2, H-2, <sup>2</sup>H (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]].
*H<sub>2</sub>, 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 [[Hummer H2|H2 (Hummer)]]
*Harrison Number Two, an 18th century [[marine chronometer]] designed by [[John Harrison]]
*[[histamine receptor|H<sub>2</sub> histamine receptor]]
*''[[Hollywood Squares]]'', referred to as ''H<sup>2</sup>'' 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]]
*an [[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 [[rocket]]s
*the [[H-II Transfer Vehicle]], a [[Japan Aerospace Exploration Agency|JAXA]] [[unmanned spacecraft]]
* British NVC community [[British NVC community H2 (Calluna vulgaris - Ulex minor heath)|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 [[Hummer H2|H2 SUV/SUT/Hydrogen]] is the second vehicle sold under the [[Hummer]] marque of [[General Motors]]
* ''[[Halloween II]]'', a [[horror film]] commonly abbreviated H2.
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