| h |
altitude (astronomical); height above sea level; hours. |
| H.W.F.&C. |
high water full and change. |
| ha |
apparent altitude. |
| HAL |
Hindustan Aeronautics Limited |
| HAZ |
heat affected zone |
| HB |
Hard Black (Pencil) |
| HBCL |
Haffkine Bio Pharmaceutical Corporation Limited |
| HBV |
Hepatitis-B Virus |
| Hc |
computed altitude; Hydrocarbons |
| Hdg. |
heading. |
| HDI |
Human Development Index |
| HDML |
Hyper Devices Mark-up Lanaugage |
| HE |
heeling error; height of eye. |
| HF |
high frequency. |
| hf |
height above sea level in feet. |
| HHW |
higher high water. |
| HHWI |
higher high water interval. |
| HIV |
Human Immunodeficiency virus |
| Hk |
hulk. |
| HLC |
High Level Committee on the Indian Diaspora |
| HLW |
higher low water. |
| HLWI |
higher low water interval. |
| hm |
height above sea level in meters. |
| HMESC |
Handicraft Marketing and Extension Service Centre |
| HMT |
Hindustan Machine Tools |
| HMV |
Heavy Motor Vehicle |
| Ho |
observed altitude. |
| HoD |
Head of Department |
| HOM |
Head of Mission |
| Hor |
horizontal. |
| Hor Cl |
horizontal clearance. |
| HP |
horizontal parallax; Hectare |
| Hp |
precomputed altitude. |
| Hp stg c |
heading per steering compass. |
| Hpgc |
heading per gyrocompass. |
| HPI |
Human Poverty Index |
| HPPC |
High Power Pay Committee |
| Hpsc |
heading per standard compass. |
| hr |
rectified (apparent) altitude. |
| hr. |
hour, hrs., hours. |
| HRA |
House Rent Allowance |
| HRD |
Human Resource Development |
| HRPT |
High Resolution Picture Transmission |
| HRR |
heat release rate |
| hs |
sextant altitude. |
| HSD |
high speed data; high speed diesel |
| HSRRSS |
High Spatial Resolution Remote Sensing Satellite |
| HT |
High Tension |
| ht |
tabulated altitude; |
| HT/LT |
High Tension / Low Tension |
| HTML |
Hyper Text Markup Language |
| HTR |
High Temperature Reactor |
| http |
Hypertext Transfer Protocol |
| HUDCO |
Housing and Urban Development Corporation |
| HV |
High Voltage |
| HVAC |
heating, ventilating, and air conditioning |
| HVNET |
High speed VSAT network |
| HW |
high water; Hazardous Waste |
| HWI |
high water interval, mean high water lunitidal interval. |
| HWQ |
tropic high water inequality. |
| HYV |
High Yielding Varieties |
| Hz |
Hertz. |
