Serial Interface HST – see entry HSV (i) Herpes Simplex Virus Hue Saturation Value (colour model) HT ht – (s) Haitian Creole language (ISO 639-1 code) HT (s) Haiti (ISO 3166 digram) (i) High Temperature hoc tempore (Latin, "at this time") hoc titulo (Latin, "under this title") HTA – (i) HyperText Application HTC High Tech Computer Corporation, original name of the company now known simply as HTC Horry Telephone Cooperative HTFU – (a) Harden The F**k Up HTG – (s) Haitian gourde (ISO 4217 currency code) HTH – (a) Hope That Helps HTI – (s) Haiti (ISO 3166 trigram) HTML – (i) HyperText Markup Language HTS – (i) High-Temperature Superconducting wire HTTP – (i) HyperText Transfer Protocol HU hu- (s) Hungarian language (ISO 639-1 code) HU – (s) Hungary (ISO 3166 digram; FIPS 10-4 country code) HUD – (i/a) Head-Up Display – Housing and Urban Development HUF – (s) Hungarian forint (ISO 4217 currency code) HUHA – (a) Head up his/her ass (Marine salute; probably a backcronym) HUMINT – (p) Human Intelligence (military parlance) Hum-Vee – See HMMWV hun – (s) Hungarian language (ISO 639-2 code) HUN – (s) Hungary (ISO 3166 trigram) HURD – (a) Hird of Unix-Replacing Daemons (cf. Hird) HVU – (i) High Value Unit (military) HV HV – (s) Upper Volta (ISO 3166 digram; obsolete 1984) HVAC – (s) Heating, ventilation and air conditioning Used in architecture, business and marketing; refers to a building's entire system of heating, moving, or cooling air. HVAP – (i) High Velocity Armour Piercing (ammunition) HVHF – (i)High velocity human factors HVM – (i) High Velocity Missile HVO – (s) Upper Volta (ISO 3166 trigram; obsolete 1984) HVP – (i) HarborView Properties High vacuum process Hydrolyzed vegetable protein High Velocity Protection H.V.P. (rapper) High Voltage Protection High Vapor Pressure High-Velocity Projectile High-Video Pass High-Velocity Particle Hub Voice Processor Human Variome Project HW HW – (p) Hardware – (i) High Water (nautical charts) HWM – (i) Hardware morphing (computer graphics rendering) HX HX – (s) IATA code of Hong Kong Airlines (s) Medical history (s) Hydrogen halide (s) Concept automobile by HUMMER HXB – (s) The glycoprotein Tenascian C HY hy – (s) Armenian language (ISO 639-1 code) hye – (s) Armenian language (ISO 639-2 code) HYP (i) Halkın Yükselişi Partisi (Turkish: "People's Ascent Party"), a political party in Turkey Harvard, Yale, Princeton (perennially at or near the top of American university