The meaning of the Acronym OM is...

OM is

• Overall Maintenance
• Onboard Mop
• Outer Marker (ILS)
• Optical Master
• Operational Mid DSC or MDM

More Meanings For OM:

• Object Modeller
• Object Model
• Object Marker
• Object Manager
• Out Of Memory
• Output Mode
• Oh, Merde!
• On My
• Operational Measurement
• Open Mind
• Organic Matter
• Order Of Magnitude
• Out Of Many
• Old Miss
• Only Men

OM is also in:

• Adults
• Chat
• Chemistry
• Databases
• General
• Mathematics
• SMS
• Telecom
• Universities