The meaning of the Acronym OD is...

OD is

• Olive Drab
• Officer of the Day
• Operationally Determined
• On Duty

More Meanings For OD:

• Octal Dump
• Optical Disk
• Open Diary
• Operator Dialed
• Octal Dump
• Opinion Dominatrix
• Omni-Directional
• Outside Dimension
• Outside Diameter
• Opal Diffuser
• Open Drain
• Off Diagonal
• Optical Density
• Optical Depth
• Originally Detectable

OD is also in:

• Amateur Radio
• Architecture
• Assembly
• Chat
• Electronics
• General
• Mathematics
• Ocean Science
• Physics
• Telecom
• Unix Commands