Architectural Abbreviations and Acronyms

1. CO
   Cased Opening
2. CO
   Cleanout
3. CO
   Corridor
4. COAX
   Coaxial
5. COD
   Cleanout Door
6. COEF
   Coefficient
7. COEFF
   Coefficient
8. COL
   Column
9. COLM
   Column
10. COM
    Commercial
11. COM
    Common
12. COM
    Combination
13. COMB
    Combination
14. COMB
    Combustion
15. COMBN
    Combination
16. COMBS
    Combination
17. COMBUST
    Combustion
18. COMED
    Commonwealth Edison
19. CP
    Cesspool
20. CP
    Compressed

Last updated: May 23, 2020 — Total entries: 4,271