The meaning of the Acronym SED is...

SED is

• Special Enforcement Division
• Seriously Emotionally Disturbed
• Severe Emotional Disturbance

More Meanings For SED:

• Surface-conduction Electron-emitter Display
• Simple Encrypted Data
• Secure Encryption Device
• Stream Editor Disk
• stream editor
• Site Equipment Demonstration
• Smoke Emitting Diode
• Special Excise Duty
• Serious Emotional Disturbance
• Standard Erythema Dose
• Svetlana Electronic Devices
• Shipper's Export Declaration
• Small End Diameter
• Software Engineering Directorate
• Software Engineering Design

SED is also in:

• Electronics
• Firms
• Hardware
• International Business
• Military
• Physiology
• Products
• Security
• Software
• Unfiled
• Unix Commands