What Does H Stand For?

H has more than one possible meaning :

• H - 1STHistory
• H - 20Water
• H - 2Hydrogen
• H - AlH AlAltitude Rate
• H - AlH AlHazardous Task Classification
• H - AlH AlHead
• H - AlH AlHenry Si Unit
• H - AlH AlHigh
• H - AlH AlHorizontal
• H - AlH AlHot
• H - AlH AlHours
• H - AlH AlMomentum
• H - AlH Altitude
• H - EPAHigh Efficiency Particle Air Filter
• H - Hecto
• H - Henry
• H - Henry Hydrogen
• H - Hug
• H - LTLHigh Level Test Language
• H - MHinge Mount

If you know of another acronym for H, please suggest it as a new acronym for H.