H4

From Wikipedia, the free encyclopedia

H4 or H-4 can refer to various objects, places or status:

• Objects:

• For the engine configuration, see flat-4
• A dual-filament headlight bulb for automobiles
• Harrison Number Four, an 18th century (1773) marine chronometer designed by John Harrison
• Histone H4, a component of DNA higher structure in eukaryotic cells
• Zoom H4 Handy Recorder - a digital audio recorder distributed by Samson Technologies
• The Hughes H-4 Hercules (Spruce Goose) aircraft
• Héli Sécurité Helicopter Airlines and Inter Islands Airlines IATA airline designators
• The concept SUV Hummer HX which will lead to a production Hummer H4

• Places:

• British NVC community H4, Ulex gallii - Agrostis curtisii heath
• Hyperbolic 4 dimensions, referring to a hyperbolic universe with four dimensions (three spatial and one time)
• Lycée Henri-IV (or "HIV" pronounced "H4") - a public high school in Paris, France

• Status:

• H-4 visa (commonly known as H4 visa), status granted to the immediate family members (spouse and children under 21) of the H-1B visa holders

• Film:

• Halloween 4: The Return of Michael Myers, a horror film commonly abbreviated H4.