The meaning of the Acronym OH is...

OH is

• Office Hour

More Meanings For OH:

• Oxygen And Hydrogen
• Hyroxide ion
• On Hand
• Oakwood Homes Corporation
• Old Hickory
• Organized Home
• Ozone House
• Oracle Help
• Oracle Home
• Off Hook
• Oral History
• Overhead
• Overhaul
• Oak Hill
• Overall Height

OH is also in:

• Chemistry
• Databases
• Famous
• General
• Housing
• Military
• NASA
• Non-Profit Organizations
• NYSE Symbols
• State and Local
• Telecom
• Transportation