The meaning of the Acronym ZSI is...

ZSI is

• Z Solar Inertial (Payload Bay Facing Away From Sun)

More Meanings For ZSI:

• Zolera Soap Infrastructure
• Zab Sang Institute
• Zeland Software, Inc.
• Z Solar Inertial (Payload Bay Facing Away From Sun)

ZSI is also in:

• Firms
• NASA
• Software