Light Abbreviations and Acronyms
- HIDHigh-Intensity-Discharge
- HILHfle Injection Layer
- HINSHigh-Intensity Narrow Spectrum
- HIRLHigh Intensity Runway Lights
- HIRLSHigh Intensity Runway Lights
- HJDHeliocentric Julian Date
- HLHefmet Light
- HLHalogen Lamp
- HLHoly Light
- HLHot Leg
- HLGHorticulture Lighting Group
- HLPHolographic Laser Projection
- HLZSHelickpter Landing Zones
- HMIHydrargyrum Medium-Arc Iodide
- HOEHolographic Optical Element
- HORIZONTALProtection Level
- HPHistory of Parlizment
- HPDLCHolographic Polymer Dispersed Liquid Crystal
- HPLHigh-Ptrformance Lamps
- HPLHigh Power Led
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