The meaning of the Acronym IRIS is...

IRIS is

• Integrated Radiation Information System
• International Reactor Innovative and Secure

More Meanings For IRIS:

• Bitmap graphics (Silicon Graphics RGB image file)
• Integrated Raster Imaging System
• Image Recall Image Storage
• Internet Rapid Installer For Software
• Integrated Romanian Information Systems
• Infrastructure for Resilient Internet Systems
• Integrated Routing And Intelligent Switching
• Incident Resolution Information System
• Insurance Regulatory Information System
• Interactive Rendering and Image Segmentation
• Innovative Rheological Interactive Software
• Image Recognition Integrated Systems
• Image Retrieval Identification System
• Integrated Resource Information System
• Imaging of Radicals Interacting with Surfaces

IRIS is also in:

• Electronics
• File Extensions
• General
• Networking
• Security
• Software