The meaning of the Acronym SDI is...

SDI is

• Standard Deviation Index
• Serial Data Input
• Squirrel Defense Initiative
• Secure Driver Interface
• Serial Digital Interfacesdi
• Slightly Deranged Individual
• Semi Directional Injection
• Shadowtech Defence Industries
• Strategic Digital Insertion
• Single Doc Interface
• A Single Document Interrupt
• Structure Directed Initiation
• Suction Diesel Injection
• Spatial Data Infrastructure

More Meanings For SDI:

• Serial Digital Interface
• Sea Dentist, Inc.
• Spectral Diagnostics, Inc.
• Success Driven Initiatives
• Steel Deck Institute
• Steel Door Institute
• Scuba Diving International
• Software Distribution Network Info file
• Structured Data Interface
• Single Document Interface
• Strategic Defense Initiative
• Selective Dissemination of Information
• Strategic Deterrence Initiative
• Space Development Information
• Selective Dissemination of Information

SDI is also in:

• Chemistry
• File Extensions
• Firms
• General
• Military
• NASA
• Professional Organizations
• Software
• Sports