• Hall Effect Thruster
  Hall effect thruster
  In spacecraft propulsion, a Hall thruster is a type of ion thruster in which the propellant is accelerated by an electric field. Hall thrusters trap electrons in a magnetic field and then use the electrons to ionize propellant, efficiently accelerate the ions to produce thrust, and neutralize the...
  
  , an electric propulsion device for space applications
• Heavy Equipment Transporter, a military vehicle
• Historical Enquiries Team
  Historical Enquiries Team
  The Historical Enquiries Team is a unit of the Police Service of Northern Ireland set up in September 2005 to investigate the 3,269 unsolved murders committed during the Troubles ....
  
  , set up to review unsolved murders during the Northern Ireland Troubles
• Hobby-Eberly Telescope
  Hobby-Eberly Telescope
  The Hobby-Eberly Telescope is a 9.2-meter aperture telescope located at the McDonald Observatory. It combines a number of features that differentiate it from most telescope designs, resulting in greatly lowered construction costs...
  
   at The University of Texas McDonald Observatory
• Holocaust Educational Trust
  Holocaust Educational Trust
  The Holocaust Educational Trust is a British charity, founded by Greville Janner and Merlyn Rees in 1988, whose aim is to "educate young people of every background about the Holocaust and the important lessons to be learned for today." Its chairman is Greville Janner and its president is R....
  
  , a UK charity
• Human Enhancement Technologies

• IATA airport code for Hohhot Baita International Airport
  Hohhot Baita International Airport
  Hohhot Baita International Airport is an airport in Hohhot, Inner Mongolia, China . It is the largest airport in Inner Mongolia and lies east of downtown Hohhot...
  
  
• Ticker symbol on the NYSE for Harrah's Entertainment
  Harrah's Entertainment
  Caesars Entertainment Corporation is a private gaming corporation that owns and operates over 50 casinos, hotels, and seven golf courses under several brands. The company, based in Paradise, Nevada, is the largest gaming company in the world, with yearly revenues $8.9 billion...
  
  

• A heterosexual person (American English slang)
• The Het people, an indigenous people, living in the Pampas area of Argentina, or their language
• Heth
  Heth
  -People:* Children of Heth, a Canaanite nation in the Hebrew Bible, purportedly named after Heth, son of Canaan, son of Ham, son of Noah* figures in the Book of Mormon:** Heth , an early Jaredite** Heth a later Jaredite...
  
  , the eighth letter of many Semitic alphabets

See also

• Hat (disambiguation)
  Hat (disambiguation)
  A hat is an item of clothing worn on the head.HAt is a chemical symbol for:* Hydrogen astatideHat may also refer to:* An informal term for typographic and mathematical symbols** caret ** circumflex...
  
  
• Heth (disambiguation)
• Hett (disambiguation)