What does HOR stand for?

Heliocentric Orbit Rendezvous (MCD)

Hoger Onderwijs Reactor

Holder - Telegraphy (PCTE)

Holder of Record - Investment term

Home of Record

Home on Record (SAUS)

Hoover-Owens-Rentschler - Engines

Horace - Roman poet, 65-8BC - Classical studies (ROG)

Horizon (KSC)

Horizon - NCIC car model code

Horizon Air-Taxi Ltd. - Switzerland - ICAO designator (FAAC)

Horizontal

Horn & Hardart Co. - Later, Hanover Direct - AMEX symbol (SPSG)

Hornet - NCIC car model code

Horo - Language code (ETLW)

Horology

Horry Boats, Myrtle Beach, SC - Manufacturer code for watercraft hull identification number (USCG)

Horse Destroyer - NCIC firearms make code (NCIC)

Hot Resources Ltd. - Vancouver Stock Exchange symbol

Hydrogen Oxidation Reaction

Hydrogen-Oxygen Reaction (SAA)

University of Minnesota, the Hormel Institute, Austin, MN - OCLC symbol (OCLC)

Horayoth (BJA)

Horizon - A publication (SAUS)

Horizontal Lights - Navigation signal

Horolium (SAUS)

Horologium - Constellation

Horizontal (WDMC)