The meaning of the Acronym OC is...

OC is

• Oleoresin Capsicum (pepper spray for self-defense)
• On Call
• Oral Contraceptive
• Obsessive Compulsive

More Meanings For OC:

• On Center
• Organic Carbon
• Optimal Classification
• Optical Cable
• Open Collector
• Open Circuit
• Over Current
• Optical Circuit
• Operating Characteristic
• Orange Coast
• On Center
• Optimum Compaction
• Old Coherence
• Off Campus
• Open Concepts

OC is also in:

• Architecture
• Chemistry
• Electronics
• Geology
• Mathematics
• Physics
• Universities