The meaning of the Acronym SNIS is...

SNIS is

• Superconductor-Normal metal-Insulator-Semiconductor

More Meanings For SNIS:

• Superconductor-Normal metal-Insulator-Semiconductor
• Space Network IP (Internet Protocol) Services
• Sanitation National Information System
• School Nurse Information System

SNIS is also in:

• Educational
• Electronics
• NASA
• US Government