Physics Abbreviations and Acronyms

1. IPVD
   Interior Physical Vapor Deposition
2. IQ
   isoperimetric quotient
3. IQEC
   International Quantum Electronics Conference
4. IQI
   Image Quality Indicator
5. IQI
   Institute for Quantum Information
6. IQOQI
   Isstitute of Quantum Optics and Quantum Information
7. IR
   Infrared
8. IR
   Interface Region
9. IRAS
   Infrared Reflection Absorption Spectroscopy
10. IRAS
    Infrared Astronomy Satellite
11. IRB
    Institutional Review Board
12. IREG
    International Telecommunication Union
13. IRIS
    Internal Rotary Inspection System
14. IRIS
    Integrated Radiation Information System
15. IRIS
    International Reactor Innovative and Secure
16. IRMM
    Institute of Reference Materials and Measurements
17. IRR
    Reverse Recovery Current
18. IRRAS
    Infrared Reflection Absorption Spectroscopy
19. IS
    Century Women To Physics
20. IS
    Secondary Current

Last updated: May 6, 2025 — Total entries: 5,354