Construction Abbreviations and Acronyms

1. R
   Return
2. R
   Reverse
3. R
   Red
4. m2
   Square Metre
5. N2
   Nitrogen
6. O2
   Oxygen
7. R8
   Right
8. w3
   World Wide Web
9. ALT
   Altitude
10. ALT
    Alternate
11. ALT
    Alteration
12. ASY
    Royal Australian Air Force
13. MAP
    Manufacturing Automation Protocol
14. MAX
    Maximum
15. NAT
    Natural
16. PAX
    Passenger
17. PAX
    Private Automatic Exchange
18. CAL
    Calorie
19. CEP
    Construction Electrical Products
20. CIR
    Circuit

Last updated: May 2, 2025 — Total entries: 8,262